americanradiohistory.com · 2019-07-18 · The wireless weekly : the hundred per cent Australian...

The wireless weekly : the hundred per cent Australian radio journal

Page 1nla.obj-627807318National Library of Australia

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S PECIAL FEATURE Gazettal of Regulations THIS WEEK: _ .



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H ere at Last ! -

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Special Price 42/6

Thordarson · s Red Label 6

The A

New Regulations and Perfect Loud Speaker

, 1 ~It RDOCII rl LFPIIOM 1 .. , h n ru k r h n • lo 21 , ...

A.djustable Diaphram I 1.- • lwa. I nir-1111 1\.n nw nc

ew Transfo1 mer to Ratio .. • St-

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The Universal Elec tri c Co.

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_7}f_ffWIRELE~ WiEKLY-

AJo11m{(/ fJP1'o/pd,1fo !he lnferesfs of' lf//1•dess Eitlmrsia~ts b.ot/1,I AmClf{'l(/' alfct Protl?SS{Oll<l-

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WHO JS AN

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, r I~ o ii•· 111 "I II n r•· t,1 I.Jr 1•xp,•r11111•1nn,.

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EXPERIMENTER?

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Roster (or Week ending I st A ugust, 1923

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ti, ,rut 1. nn,1 1 ).,~I ,1.i r·ll , , I'•, I •rUJ~uluu 1,i 11•t Tnh1'fll \ btiut """ tlllu!!il took o turn fur th I• t fer

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v 1,l l n:u~ntor pron•ede,l to 1, 1~rial. n1111 I w ~ liBte11iuJ!

\ h p11, :ar cl rn me to Lo m(l"t l. W St 1tinus ill t.he Wurl.},

f •w ~p,lrk sto.llona throwr d \V s 50'llt.,,'°hnT tnk~r1 nh. rk

rru d th t• the .. e w1·rc univ 111 or hnu t I Im 11tw e \\ n t •

nd "'-O wetl! st mukiu .. 1 p I J l1 ll'h IJJlt,t tlJ u,t('U to 1nnll ladded 1,n l ~ou,1 lou4}

l\f found it I u be au \ 11~ri• t 1 io11, ln: this tln10 l h:,,t

1 fie up mJ: numl that this \ ·1 t n1y war t imP 11:-ihits tu to nll '•the !-ltntT tu ..,hu

n h:,, the tlme m, 1 u1gi• 1 11 l t• m r had fotuul out eu1111=rli

, Lh e ots to ptl.'k from my lib r, ' a volunw which eontain

t 1 d infltru~t ir,11~ for tl1e ronuu ot. 1 tuner nnd , .1h e

I u1t hlo for w~ ret1uirem~nt~. next appeanmC'o ~~t t'ho ,r- Ii tltnos• re dy I 1J opo-

10,· h1gh-re.,i tan (• ph11nPci l1nd , d I , n<-J me·urwhi11, nml hy

no,, iug ,, t"i'k ro111tl rl!J'Ort r~• l'l1e sm~lo 1 j er iwtuct mre

I lo J:O, nd WSl.<t I Jilat•eii hy ho• 1b I mls On I i,1-iln,. t"fr-.u•

,:\\. itd1ine CITI tlie 111.rr.w•.•ni tuid tn·w my new t11 1 1 bear<l ~p{l~th

1( lUi.ama .. t ,\ 1•,_, .. til

AN INTER VIEW

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I Broadcasting Regulations I [ ~ · W c are informed thaL th<" Broadcasting , ! Hegnlatiou:,; wil I lw gazC'ttc<l on Thu rsdm . I

26th in)', t. , and will romc into forre on W cd.i1e:,da, , August 1st.

• <

Copic•- of Lhc· RegulaLion~ \\ ill lw obtai ual,lt> in ahoul a wc·c·k ·._ tinw at thc· T rP,t-ltr), Commonwt'alLh Bani... Bu ildin i!~· l\ l artin Phu:e. S)dl11·)· T he

prit•e ib l,,,

Si-ie ".\\ . for Re:,:11lo1ion, IH''l.l W .:,lnc~du_, . ht .\u~ust.

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OF INTEREST TO THE EXPERIMENTER.

\\fl 1 l' f-rw rartlT' , On5tM1 t. ••11 lfllif\rntorv •"'Pllpl,- J:r-t- whit'h wr ,,_ \ rrp rNl tn 1li9PMt' of !n tht":

1,!'ruu nr, C!Xf11•rin1l'IJlt(•r it h rNl,i(1n

:tlilr fhrurf' \ , l•h will t<1nvh1te: Vf111 h t llli~ l ll ..:•·n •ain,. r,fT,-.r. Ol•l 1 Col" feturt,.eu rln~ nnl v.

CONTINENTAL l!.ADIO AND ELECTJUC COMPANY,

Ir., KF'IIT !';'J'Rl·,E'f, RVff\EY. n,-.11r ( ro~n~nur Rotel)

thr ,. ... ,. .. n,\ turn vn the f1.t1t d.1.1~, l • 1 ro•..., ,1 f)\ r lu 1h• .. , tvnJ 111.t a111l o 11J,I, tt,i rh.-• fir""t full 1 urn ou lh 1 Th••n 11 ('rtme hack f!lld

,a1 .1 uotJ1M tmn on rhP tnrm ru•.tr~~t htn1, 1•rC\11sin1it t~ 1hl" rear to do th 111un11'! It• tbfl fli11, in batk. Uuek an•l forth. in nn,1 tnit, first " t11r11 c•u thl11 llJ<', tbrn n turn on th·~ •lie:1, tbijD a t.ur-.u on thn•, until 1h r••1 uuerl nutnlH~?' hn1l b~t'll ml

.Jaly :.n 111:.!I

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1~1,ol 1n 1 C',111111,

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lhuo~-• • U1111~ rt I J1ron1n1t.!I llmnc,._a Hun Jul J·'tlmni.t



,J 1lJ :!7, l!l'.!!3. 5

How lo Make a 48-volt B Storage Battery.

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n h hnlr.~ 10 nd1 01 the lnrct'r t rd!', 111nki11..: th.r1•t.: taw.s ,,f hul..-., .., h ell lu th1 row (Pi~ 1 l1n1l

,. UtJ.?' :t hnlf ,uh fft1,u·• 1,etween b hole. 11•ke :i tnhe rnek l•v

rl"-'iin~ th~ t•H• ... Jn1rt 111 :u1l3 on he enda of the lnn1,?er crn ~. pla inc: u n! th1 louJ,! ho:tril.s .1bcmt t}1rc~ n he!{ llt'Jr,w lhl:' otlu:r (l:'h:. :!).

l"'pon drn}'I rn,i.: a tt•°'t tuh, 111 r L<·h 'o it will Ii f, 1111+! lli:,· th~ r1111

1n th" 11111 of •• h tnho l1uld_.. 1t n 1•h<'e.

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lfr I II. ~,\ \:,;rS.

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~11hl,•ri11..!', hl rilin~ nl' -..rnd p;q11 r ,ut:, out t•11.I 1d' em·h 1111111 ti t~ bn,.:;h1

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,,,•11 ewl <.if n. pinti1ivn plate :ind tl11 otlwr .-u .J 11f th1· wirP lo :1 Ut' .. !flt1n plat~ ( Fi~. 1 01 ). Cuu.u~\'t tw(i 111urt• 1' r witl1 the lnuj.!c.•r \,iri·

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111 1 arh 11.'U1:lllli11i.; H<t.!R 1\\ Llld

po ... 1riv1• pl:1t I Fi)e'. l< • \ lso "o1 d, r , , ltJ, 1,, th, win runn.-~tin.J.: ,1tt• vi tl11 Jt 11 ... nf pl.,t ~ l·"iJ.? 1,1 1•-. IN HHIP 1,1,l or pl~t1 •1-c po8_

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u( t ht• 1 (Ul"li~h r11•)' Lif ~yrup :u11l , . .Hp th, to1•~ ,,r t•:u·h ~1t' th1 p:11r!'- oi" p1:ilt·!'- with it11 t·onnf•rting \\ irt•, into lh• 1111·l11•tl ~\Ul. 111 u ,l1.1 pth of nlJOllt 1 iu. Jt,, f.ur11 lhl· wnx i~ hot, hthi:rwi9't Iott 1111h h 1,f it \\ UI ~,1lhc-n~ to thi \\irt• n111 pJ1Lfl',;., 11 \U'f'IOX: l>ip qui,·kh; 1f It ft iu tl1t• \\ ax too 1011:: tl11· 111•.11 111:1,· lt10toh1 11 tJn -..ol tlt r. Ii will 111· 11, N's-.:1ry tu 1-"3iut tlu• \\ ax nu rh1 !'itq:..tlL plot<~ with ~·Hp-. utl:1,·l11"d ,d .. 11 on th,· p3ir ot 1dat,1 -... lh,H h \<' th1• 1·li1, -..ol<li·rt•,1 1!11 rt•tf1.



MAKE YOUR OWN

Multi-Layer

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.11. • tu¥.dt1J \\ tlh in..,lr.u, 11 ,. anti : fo~initlHJ!! 111f,11JnJt11111 (1Jth.

\\ irelt-.. ~.. I lr1 I rin1, , \1n,J, I f:n ~in,"'·r•o~. l'f-',,•plwn,, ,1,11!,•I \i•r11plan1• ... Fr .... l¾'or~ .Cl,•4'Hl~·ttl .rnd \It ·lwnit .ti T/1\,... '\l,\i•hw~

and i:11 1 r•11pul,tr Jl,d,hw-..

Sl'nd -;-d. in Starnp~.

«· CRAfTS SwA4!.'«N_s• I J1UMfp N.M~CLRQV Mri I".""

FOR YOUR SET TJw,..f" 1w.1t l1ttl1· n.i.mr . pl.a1t•-. aJil i,rn·nlf~ tu th1 npJlf"Ont.n( r ol 811\

11 T '<'I. fl,ej ~r,· m.1d .... of nra.-~. and h.nf> Pm Hnlt·~ l,1r I- 1.\iuS!. \II r1rf1.. dJu .. 1rJ1t•d . Jt1cl !he r11Jlm"rn,i; .1,r.l i1 iunai nm•~ art tI\l'.lifHl,J~:

lklt"tltt4', Pr11t1"'h• S...,nnJ.n.. lol,.l,·r l'nm•n I ,,1,,l.-11• •r '"l"f"tinthr-, j 1>1)111 11. I

\II 011, Pri,·,~ J d ,·a.

Aerial ~~

, fnsulators·~•. · '. 1H I ,,r t ,un t-

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lb (,uh ldT r n h lni,t mu11;1, 11 n• r r< •1n 1r1 I

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Trimm A

"Professional ., QU \LITY Pl~DNE

Head Set 3000 Ohms \1 \ QU ,-\ !'.Tl l''t PIUCE

U Any Bwgo WEIOllT ONLY 1n ozs wh> l, rrun.i

I (J\Jto.1nrah1 Frutn r•,n•1nf'n•ul U l o •1n1I }.le~tr1i• ,,.,,. Jr, Kn• .., 1:1 dn· rtUlty Co blO Gtor,; t.. Autli1.111~ 1JorLfon1 ~ ~on Lil f11or1J:1 st,; 1·• I u :-- 1ll\.u1, :,u l'itt ~t, U, 1111.. ~l1nr t• •• Lt 1, _1- (j or-i;: ...,t • Rsa•b, r.o 1,tci, 15 1jott ... M ~ Th, ('{1h'1Uc YtJOfl' \Vurll"! 11 ~ 1pp?i"•· l U{,1h: bt : \\ if1•lt•t Supplio1 Lt,l •1 RnytJl \r~Q,i ; '1i•'4 ],• \'. "~111late .. 0 Ro\ 11 ~\..n'l ltt Ami a I

\\ ir 1&~ ~upulv Un1.u 1 PRICE 45 · EACH

Solt' Australian Agent!. 0. H. O'BR!E:-.l & NICHOLL (Sydney) jl ' l'llOnca: City 330'.?. !059~. 37 PITT ST:&EET SYDNEY J - ======================================&



nut Uu uf 11111,; uu ll1t' for • , he · n·v ,•unVt.•ll.lCnt 1tstt1re,

l I t11 ~u in fl \1'h row, in the f h• h ,u y,,,,mh, hut bn111 to

of , rt:iiH d,,fi11it1c u11nal1C'T!I oJ fhl") luo l1ltl•ro.l. Thi~

ii "' t•f rt•n· siuular ,•el

for

9

tieec"ls11n tu 1i--.11 !l formt:1r upnn whicli th, }11I1il 1\n• ~e-par:,.ted by an (lllJ llU!uht:!r of d,•grc-e-. ·r,,n-., :.: I pin~ p,•r l'<1l\ ~' 111 all will ful!III th~ rt 11uir1 lllt'Ubi. .\}Ko, ~'l'rlu.iu frx,,,I 1111111her:, u1u,t b~ t·uuuh•iJ :d i aeh r.ro1-1"•0\'er in windin~. Thos mo~t l'OUitt only 11.~r•l !lrc ti, i. 1wi ~•.

Ua1• or twu 11nfllt, de~rT\ t tll~ll t.ion t'OH('crnhu.!' lllt' 1-1r:.u~lH':.:'d d~ .. :til~ of l\;u,Jing-. It i~ ,lt.ts-irnhb, to tie the t1rot n.n,1 l.1~t ~urn1:1 n hon 111-i l,t1low r~·1JW1 th· ly .lt t,,·o ur tlltt'C 11niuts witl thre:l<l, to 1•rt \·1•nt nn,;· lmwln1)in.q- of the l't>i1 1iur rn~ the: opt!rntinn of mounting 011 1 plu~ ,, heu ti1ti11h1•rl Th ordP.r to l:11 ,1!lt• tu r,·mo\·•, th~ oil .fron, fhtt

f r1u •r 1• 1"il> ai'trr it has horn :-o:1.kt•1I JH wax ·111,J (·onlt-d, it 18 ett '"I ntial t£, m 1k, 11"'" 11( ~ouw ~och ,ll, il ,. 1, tn wind upon the i'orr.ner n ~rn~l1· 1.1, C'r of ~P\\iug" r11ttnn lu"'fOl'l' 1,t:1rt111~ th,, \'tJil. li'ai!t1•11 th•' two t'ad-. nf the layt•r ot cothtn where tlll'Y "ill J,., etJ..,ily got at, tb,·o !lfter W".1xiu~ tlw roil nnd t.xtr:u•ti.u:,: the prns, ~·u11 ~nn pull out the, 1•otton and the c:n11 will sHp off quite fref!• I~*· l'iw1ll~ 1 b'T• at rsirl"' honlrl be 1a.kt-11 to ctrnii~ 111! ,1111 r1lou., w:i.x

out of thn 11oil, 11 a-t the 1ut1tr~paces ui the \\ indin!! rt•maiu fi1l~tl -witb wn:x ,-.111 11 ('ocd, wliit h would, of l't1llrsr, i11i run-.' 1!11 '.",~Ir t-!lp:itlty , 1•n~ifl rabh.

E xperimental R eceiving Stations

0:\11 Si~n. N,1.111e.

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Per,lri.111. W'. J. S. <:n<ith, F. L. ~111~1!. I'. " riel<l, L. V. \\ nl,·rd, F, R Wli,,11,•v, .T, s To,lhtnit+•r. r. R. How"rd. \\', K .I ones, :-,;, ,, ~irhol,, ,f, R. ll.:l1•tf'\W, c;;_ A,.

.\ l ;.1gHUSWl1. v. Rt.G. Bell, R. A.

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.jfi I r ti,!!ewl St, ~yclnrJ. Bu •,, 11ul lnn, \lru•wr-•111 1·, N'e\\~.1stle R 1 E1l1'll \ \ e •• En 11_-;ld n l'11r,-, IJ !"'\ , \\"il111u~hb,. R Hu,11,, St , T.ir11·t1rul11 Jl. :,:; s~~uiuu sr.. ll:1rd~ PHrk n. r'Jr,f ~I .. Honlarnn. R. '.\Ti1l,ll1 St., r:Tl'llfj•ll "R, 47 E•i<t F.•pl, 1 o<l,. '.\l,n,1~. ll J"a11•ouer SL. Ilv1l, n ::!ti:! old 1'rnti•rl111r'f' Rtl .. ~Hmmcr ntn. .Ju111'I" Rr,,f'."I. R. ' Hr-111dn,1.! T,.HJL1 , 1'11111\, r,rth H. Li ,t.,wl11l1111tr R,I.. )1n1'(m, n. ff. "\r,..,,"1.011 St ., H:irri .. Pnrk. R llti- irelo•i~ !';t., ("11ug-e1>. R. ::J L(•:1 f-t , Cr9vdnn. R, Iii W,·ntwnrtlr · l-1. Randwiek. R. C'LLr. }'lj,lt:} & .f'lt:uuv 81..::., Tamworth. R. 1 ~~ .\uz;!<" P:irarlf', · K1•n.slngton, 1-1.-, Xewland ~, .. Waverle,, . Il.

R.



111

VICTORIAN NOTES. I~ T 'P CUI.JR/

II I .!7

A Bath Heater for 25s.

F A. WlLKINS0?-1

t.O:"i 1,l-.ctlH•~ srITf

r11r1 ,~,, \nl jl n ,,

BOOKS ON WIRELESS

E.lenumtnry P-rtnctple!" Telegnphy. b., I! II , , 11 ... , l'r -& I

~011,, In

H~W to Build t rill~ Ii,· [' J ,-f I,

Wucle."' Tele~apby

I

N.S.\V. Bookstall Co. Ltd



.Jn ~ .!.7, 1'1:!:i.

Who Owns the Ether?

T" thl' Editor of " IVirel<•ss Weeklp"

1n tli turn u linm~'!II to \\11rk ini • ·r•,Jiu ,, .. l,t.: lt!Ui-,,rtlis. Ti otlnr:; 3.J't

i11tt!n~1td iu lm1·Hhaat u•~ th'-"'' Ll'{11 111110:u ll ti1 11 J11,rit1r, ~ttil J'~L l't.•h

lwt•n1·1•, to , ,rr,· nut rhu worl< "'-inll·rl). r 1h11,1 •\ho UH lfll•r

•-.:t, d 111 \\ trd,·, hum u •'.\})(rt

1111_ 11 I t I 1if1t 11( v t•n ?1 "!Lrt tu ro c-, J\t.~ 111 I 11ii~ .. iot1 to 111,dnt.:\ 11 :'ft\

f111t1"1, t ltey, tm,, rnakt• :11111lh.· 1tmu in 1h ·rnthur ri:, 1·1111trr,llin~ fhtJ H lu-•r.

(11 , hv. nt fn .. • fat~, "ll\ 1""

... 11, h , In i tu ue- aid: tir:-., I\ : L, \ t)u, tfX(1tH1111, ut •1-,, th, 11Jo.t)l\1 ·.., r~ umdi:i~ wh:tt 11111 ru111mnt·ii1l , ort 1·tr11"' Hl,1\ o, 11111, "it•rurul'\·, hv thl •111111"· 1·11l to111·1 ru-- r•·J.;::1r•iih~·,"1.i tl tlit•,1. do 1101 i11H•u1l 111 ilu. I• ,.,4'111~ to Ill\' t!1nt '''- ,,:1-.1~ Y1.·n• 111Uc·h , uhuldl ti1111 111 t~dl:i11g- :tt~oui tlw tl11t1!-{"I \\Li..!1 d11 not 11;1!t,•r.

\\'111•11 it ro111 .., tu :t 1p1Hd 1,111 OJ

fr,,,,rluiu £or 1m:1tt-ur,, \\, 11111"'1 r,. JJH uiJw.r th:J! mu1,_.r 1111 l.1,\·~ of th·· fm1,l tl1c 1•111111n1.J',•T:il 1•omp:iui,•s tan no 1nor1 ti..x w.1\1 lt•iq.i:1Jrs fur lillin_ t,•ur-1 1!1.111 11,,, llri r1 Ill'• rnu li:t

ldtii11:.:. nt th rn]in a.: 111H p:rn i, . J 11 1 \'., 1 11\ frh nds n U1'- lH: fc11 1111 \\ 111,111 I 11lu11r, l,,1 u, 1 n111 t uf wi1u tJw\· li n·(• done tor win P•'-. J ·1m 11of pc~krn:,r Ud a lti. r--- d (Y\:J•• ri111••11tl r. I 1111 -.i,1 pl~ H 1ldn~ ,1 ft\\ :,,tr:ii;.:ht out stlltt•• m1111~ 1d tu. h1.

l f, )1ow1, • r, ;,. r ·, 1 .. ,. ti :d \\ 11.,t I li:1\~ 'l,1id fnt 111,j ti~ h,t-..i"- ot ·1u,· !11rtln•r •li, ut1si11u, \\ "1u qu111• ~m,ih ~• • 1h:1t 1J11•r1 '"' 0111 111q111rt !t llT I 111• ,, h1,·J1 :t 1i:11 t ur~ rnu,t c,h .. r\,. fl ,·mnuwrn.tl 1·t,mpnuj,.-, 1111" It.in• 1111,n• 11HU•·111•1 th,rn tl11•

IHt.ltPur--, .11111 J1 ll wi-.11 H, 1-r1•11r,· 1•ri, ilt :!P:-. \\ ldi.•11 r l1 a111,1H!t1r~ t•on ~11?1 r -.lwultl hd11nl,,{ to thun. .\s tlt1 t'tuuu11 r,·1. I I f11H I ru.. ·tr• wt 11 or

W4a11¥~1!6"U':".u&:«U-:to:lll'-lfa'-~!U~,:.::','S<l:--$a:-$1:-$1:~~~~1

I Get Your Wireless Gear al Eleclricity H ouse i i,1 887 GEORGE STREET (OP. STRAND). TEL, 2961 CITY. ~

~ Condenser Plates, 1/6 per doz.; Condel)Rlll: Spindles. :'./9 per ~ " set; Condenser E nd.,. 1/9 pa.Ir: Honeycomb Coils. from 1/6; N \! Honeycomb Mountings, 3/· ea,:h; Fillllllent Resistancos, 7/6 each, ~ ~ Calibrated Dials. 1/6 ea.ch; Kilo bs. Gd .. Od., 1/ , 2/ each; Con- ! ,, tact Studs. 1/3 per doz.; Sw1tcharms, from 1/6; TerroJnala, ad. ,: \'I each; 'l'boue Condenser., 1/-; Gnd Condensers, I/•; Vnrfalile l ! Condensers, 26/·, 30/·. f W Murdoch's 'Phones, 35/: Myers' Valves, 35/•. ~

~ Cn.talognes, 9d. each, including w1rlng and other dlagrams. All ~ t makes of Tolophoncs and Valves. j.~ ;'I Crystal Cups. 1/·: Detect or s, 5/· eaoh; Loose OoupleP.1, 40/-: t j:! Calunets, Ebonito, B:tkellte, and All-ro\tnd M&terlaL,. i \1 Complete Crystal Sets, from 27 /6; Valvo Sots from £9 to ~ i;,'! £35. I, 2. or 3 valve; Ra.diotron Valves. 37/6 Vernier Rheos- ii! ~ t;1ts 12/b; Rheostat Knob~ ,Uld DiaJ,i, Poll>hed B:U<"11te, !/·, ~~ '.ii Condeu."er KI1obs and Dinis, ~/6 '\ i INTERVALVE TRANSFORMER, -IO/·. ~ ;.-t Closed lron Coi-e. ~~ ~ U~lH,R ~!'" 11 U,A1,F.~!P.!S t'. t°! ~ Work.s Manager: Raymond Mclntoah. ~ i,t Gennral l\1anager; J. s. Marks. It ?YJ .. \ll l 1ou1111ltui1·nliuu~ to the Firui. ~

·:r.:n¥JO;l"'-~.:llili:Mll-'~~~~~~1.; ~ z...J:J>..;~S-l!$n.,i;~.,. .. it.:b~



,111l.1 '.!, 1123

NEW STOCKS OF

Kellogg, Remler and De Forest Equipment 111~J1t••r-. l111vl' J•, t• 11 , , l, I ,, e ~lo kc II , I· IH'-' I

, .. , ,111 ll1,pl 1, u1 ~ 11 ,,111 np 11~,uH

1h , ,, 1, p1 r I v urng 170 h 11 1·

.. \ Pt--ti dnr n111i \ 1 n h • ril:,;111. lit. 11,,u-..u1m nmperr 1111I

,, lh.'11 u,t1i1 ~•' .in u111plifh r, nnd :!~ t I• l'ri,·, £2/5/-. t u• '\lfllt1 lol t.l°' and thcu· u,~01 iau•(\ tro1 hh.,

n~ 111ttt 1b,· 1 lrrn11111t,1 1 SEND FOR PRICE LIST

BURGIN ELECTRIC COMPAN Y Wirel ess Engineers --352 Kent Street, Sydney

TEL. C 141



Encouraging Wireless Invention.

i,omt 111 , 1.mnO<'I 1t HlJil u1 ,, i!4 1w11h :111,l flown in \11tLr1h1 ii\ 1!11!1, \1~t :t ... ll'('HJ1t1r

n~ !.1st year th,\ 111ru111 .. 1t.,1111~11 w:ll·h 1110 \\"ts- £lnwn m t::urnpe fnr tho finiit tun1• nnd fe. tUit•il ill the ,\ 116 tr.1lin11 pr,,.,,., ·,s .. 11m, llJir1i: lll!w.

Tht.1 ~1:uuc npatlly 1JXi'lkd rt~i:nnl• 111:.: \\Jtl1h•~~- f1H u .. far hnrk :l!-J a,1nJ \\ irt.'ll'~b )111•:.;.~H~l~ wrr,, ~;t!'Dt l1l"lw1'~1 11 runving t.rain1 lu. \utttT'llilL, :tml dr ndnJ,.ri,i wn1· ~ent h, wirP}rq!\ at the s.rnu• tim,•· vt>l ~\hl·u lt\.•lt n~.tr a nn111~h 111v• ·n'tor scut sket• rh,•s I,~ ,, ir, J, !l-. I,, 'fl'"''" ;H•t·biw•••l .... ra wur] !~\\ v11der.

To j:h'I h, lf,•r t-111·11ut1iu,,1111•1t• lo \tuc:tr1!1m 1nven1or~ ;tP BrJ;ird th:i•

w ,~ ., .. y 1hli~he1i fo hf•ljt in,<'u1nr-c, )rn1' formt>tl n Wirl•le"s ~fwtion, n.nrl

+ tlu rt.•c1 ut 1w ctin~ of t.htt \Vire• 1,~ .. Tn~titutt2, ttfter :\tr. ·ra-v-lttr's ,d,h1.•.S"' t)TI 1111" matter, n rn.rn.iruoit'J ,o, "t1-s rri1•1l 1h:1t tit\ l11!-ititt1f • utilinL, n ith th. t Ho.tr,I ~,, I hat tli,1

Aonrtl m.n· ,..?He hc~t -fi11fi1h:i:1l n••tl ufl r :1 .. ~1-.t,trn e to llW 111vP.utor ir1 \\·Jrt•lt' .... -:,•1<·11, ... r ................. o; .. ·F~;;·;i·· ...... ..... !

i '==~~~~~~~~~~~~~~~~~~~~~~~~~~ i -.bow \'OU nF J,'oUF.ST H lilln \11pnr Wnrl,i

fl I '\T•F.'-' 1n 1•1 l \ F n" f H.l tu lt 1r· f '\: 0

toll.

I! , 1 ur r ho not tl.i. ••• "1 l nre l,i,t

r , 01• ,. ,rill he r

1in1-. to ~how ,01 "rilt; •1.1

International Radio Co. , Ltd. I '==, P.O. Box 2541, Sydney, N.S.W. -

N.Z. ()fill'!'""'! f.1)-~:j (OUTtenay Pl:1ee, "'~~llwgtun1 ~.z. t:J 111111,, , 1,1,,,, ,, , ,.,, , , , .,,,,1111uuou1+0111u111nu1u, 111111u1111u11111,0111111on1,11111nn111n,0111111u111u1111111111uu11111G)



1 l

l•t Ii\ tn 1 tbat the l'H'"• ul rult•

i;i;•li~\::1 (!:~:~ll'~'.~11t~~l l1 [\~t~!:1~" !it!t~::;\ El1•1•1ion of nffit·l'•bt"nr••rd f11r tJ11;1

lll''r\' ~·1· r th ll 0

prtn•t•t•tlt'1l. Thtl fol?t1win~ ~'t'utleuu n w~rr re

1 Ii: ·ti J UllnL!J•<.•'lt II, \ iz.; Pr•'!lid1·11•. ,tr. {. 11. eut1tln•rt: \rl,~e·Pn•~hlentl{,. \lt•!isr!4. 1,. R Ill'-\\r•t aml A. I·!. ~"-1 ldn!ton; ltun. }l,•nr•11ry, \Ir, \N .u. flru.h!1111: TT011 Tn:1 ur·r, ..\Ir, .T. W. \11nn

11'h1•r1• n-11ri• (0111 t•,1111firl:1t«::. for tlw Buitin\•ats Comm ti !t•1•. ti! whom thrN1 wr.u tr1 bl' 1'l1•ct,·d. A h:Ulot w.1,. hken rM,1tltinl,!'. in o.tn~ h,•in!.( ,•1t•i 1, d, nu1J thci othl•? thrt,. runuing ,I ,111 111 lhJll, To ~1:'I <>,·ur tlll' •l1•Hd lork thutt i•ttuk1•tl, it u-a, d1·tid1"11J t,, ~l1Jpo111t 11111 f•f fht''-'' _ge-11tlemt'11 t(l the Ttc-hnital t;o.1.u1u..ittt•1\ for whi1·h tltt.•rt! ,,n,re only t,\·11 nomjnatiunt-; ~tr-. t-: •• \tkin,.on w1J'.'I 111,l'lt,rt ·11 1turl

11·1·1•ptr•l thil'I 1in"'litin11. Tiu ,•lt•r tluH (1( the t,,o ('r111111dttcC'S rl•rult i>d 10-, followe11 Bu-i111 ,,ii., t 'ommifl.,l: .\11 JMr~. \\~. ,r. !-i111ith. \\', T. \Vntkin Brnwo :,n,I ,I, ll. 1-lolh:>ntr••r. f<'1•l1 ni~nl 1'oromirt<·1•: \h•!-!~r1-1. t1. \. nor. 111i111 (C'lal, Lite-n!- lh1ld1 r ), 1·'. II. Kirkhy nntl s ., ... \.tlunson (01\1' J11•1tr

to ht 1•h•d1•1l). 'fhe fP11111iruln of tla• t1vt•11i11g

wn.s t·1kt II up rn fli~t•lll!;:-1ion of v10·• lou!'O ru:t~tt.'ni 11 1 UHlf • or 1, '"'~ imtJor· lnllC't'. i·hidh· ,·1J?ll'n11i11~ tl1~ OJub's 1•rur•flr.i•ti nriiYllir-- f,n th,• t•n-.uinJ,t" , ,..,,1r. • '11hr, ni-xt nu .. •tiug i,t Eh<· ('lnh will I,(' h1•"1 ·11 tl1 •-'luh-Mtlln ( .u, 11b,JY,1

)

un ·ru(\c.l\1ty, it l -.1 ,lnl~. nt S p.tu. \Jl m1•mltt'rB c1r11 pori:i<-ulnrlr. :il-'krct to 11ttt•11tt, 11111 uthn-. inln'{'-i;ltf',l nr(' Wt ltOtlll ...

·rho :-:{'t'i••t JIT)"' wr1•rl,f li1 pl1•:uw,t to h1111r frtin\ 111\•1u11• 1h•-.irr111-. o{ joining the (.1111\,, ,,,. tn 1:'Upply :i11-roru.1:t1 ion ~·t1Ut'ic ruh1,u' 14111:+' I u Utt\• 11J11• lntne.e-"tt•ll Hiti 1rldr1 !:ti, iq 11 , 1nmrron ~t , Bot"k+lnh.

LEirHTT \ 1W1' \ ~ 11 l>l,sTl! I f"l' fl\1110 sr,<'fhT\,

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11 1\111l1t r8 of !lit 1 ... h•li11 r'•lt III I Tli~ri1 r H. •tin ~o<'ieh " 3 h1• 11 11 flit'

( 'lul, rm 11 1 l';'•l .1 ,h1;. t n ~r.. \n· 11u11,l!ih-., , 1 Tu<~-- lnv. ,J11lv Ii 11 1

wh,•11 n ,n, irnpr11-tnt 11 •tit1•r'f \\,rrp

J"~<:121.1 .. , l • \r·111~t111 ntl!I \\·,·r rund, for n I ,•tui· • in •ltt n tur nf n trtn: 'u!o!HC. Ulu;tr 1ti· I with A t11111.

f'T of 1 11 Rft1 s1i,lt _., !t1 he 11'1h!'r• d hv ~tr, \\ ,I, 1., r•h 'Jt th t"n1 qw)T\g m••t tir,K,

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1" :1 1.JJJ.;; nil! np nC 1111 1J1hr•r3 h: de"'ir1 J. ft1t tlut tn•t:t~itlu.

:\II 1·u11111Hrni1•ahnn!" r11!.,I i\ic to the .u•t·n1i,,"- of th11 :-4.1ti1·rv !1Loul1l h,• H11dn•~-u ,] 111 I ht' Hon. !'•f·,·r•·I nr,·, \Ir. \V .1. Z,•rh, I-t:l l:lu11th 8t., \;, 1111 ndrilr.:

\YE"1'!.I(:,; :slJ!',f'll!IS II Ill !,;LESS \ \ I \'I Iii H \HHCH I ATIO:S

At 1110 Ult't'ting- of thew.:--. .. \. \L.\ li~lJ. 1)11 1 "th l~I.. , I I hr CJ11h-tnr.m ~r. Bu i 111.111 11·1 turr·l uu T,1,h1etnnd~ mid r111p dt;t, nml \Lr. t'h1ll1'l1pttor PU J-:f .. rtrif"ily :11111 ).tn~11.u•til'm,

4\ I tlH• uc)(1. .u,•1·! ing to be l1,•l1l c,11 1-.t \ 'Jhrust, \1r. HawH.11'Qo11 ,~ll t l'!Ur,• tJH Pri11rnn H., lt•dc·"- ;nul \{r. lloil1 ou \":iln l'h1"'1ory. UurnJ{ I h1 J '1!'11 fort.ni~ht t )111 \H~u,•

iatiou h.1~ lwu 1•ntcirtu.iuit11-! fol k ro bcur wir1-l,•~!'f m11air; mu..uy of 1 h~ prr,miucnt ,·ii i1.1•11t- hn \ ,, h..:1,I tht•lr 1uiwls filh,l with •<11rpris1• wlwn tlH•v rt·1ditil'd 1hl• po-.,sihiHtlf--:-1 oi IPkpL.110,·. 11 WH"- hv t hf> ton.rt t••W 11!' :i.rr. R:t\"1'10111) Y:'-1':rnit, of \\·'in•l, .;-i i'-!nppl°il'h Ltcl., th..,t n Jlr,an, ltitHI 1-1pt·ak(•r w·a~ lt•ut In hi :\~svei: llu11 luring f lu-~ 1•nlerl:d1:1-m••11t, •nu~ mu.-.i(" purt•lr fill~il 1h1• C'lnl, room fr<•m • 111• Brown loud spt•-:il<t r. lt i.~ hU}j• 1) to agniu 1,.-11

tMrnlti th1· .\11\lurn ,,11h1i1· \\ ith it

wir,·h·~.,. 1 om• rt !41 lw lu:•l t! 1o1li MI I\' Thf' nrrau~ernt•nt'i ure n(1w '"rll ii, ~H111,I : 111i i1 i_ .. h~pt:d lo pmn n "un•,~,-~- '1'111• .\!'1"1.wiution hos 1ww t.•11tl'rt>1l itN tldrrl n.,r of cxht!'D;.'fl, w,{ pr<1pos.,,l tu hrn1 their .,;.('->,ontl 111nu:il fuut'tfon iu t h r ..:\ uhu:ru

·ro,n1 Hall. ,\ 11 lHt~n•Kh·d ar,· lu \'iii ,I tti attf'.nt1 1wxt u t!i'liHU". nurl 1111,· iuformntiou rt.• \\ireJi,s:s will h1 g-i,•1·n it' •·orr\•:,;i.111m,J, n,•~ h•" ·trlihetl<i,t' 1 tn no11. ~, t'r1•t r~.

)I \ IWl<'K\"ILLJ: \:\P lll><Tl!il'T ll.\ll lO C't,nl.

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s1 H t. ~1 nrrlckvillr, n11 ).fc,n•la\:, I tit Ii it111l ,

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\\'!Tn;u::-;;. I\KTITTTTE, (Q1tt.'l'llllilut11I HMnrh.)

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.\ 11 1•0111111u1IJ1+ul i11u"'i t-Loul1I zww ltc• :,ddr1 •~f'•I tu tl1t> Hon. Fet r,:t:tn·. ut "Radio Jtr11!'1~,• 1 .AridnirJr ~t

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\ 1,71'• It dt!nl c-,r ,Us, n.ssion O.tl 111



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t11u 11:ittet ltcfor• wr .;f<>} b ... lo for11 11 lir:rn1•h in thii;

WI Hid, l<:ss I X:'<"I I T('TF.. :,;. .,\, IHYi.'iiOII

111ontl1ly t.:Pnt~ral nu I tiu.: of JJivi1do11 1.ot' thl \\ in.•lu;l'I

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OJ 'ni,111 IJ1.1l tlJry :trv h1•iu14" , irtim 1 ,,,J ti, thr ri1 dl(I !'i!t.lt 1111, wlw !ILi • 11

1,/· all 11P1100, in t lwir powt r tn lnt'f'f' <111'· r,q,c1 1i n•·ulnl .. l,tio11

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t, I ¥tllli with ,1 \ 1ew to .i ~0111 tlnu ni' thb trou hl,,.

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th~111. Tiu~ for mul ion of a lrr·ult' li of tlw

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hr, t,,fll£"<'tel to tlru.w up tlH• I 11114tit 1ilfon uJ" n hrn11 1 h 111·ri•. Ow

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fur !lit• Bliud llall, al X(,rth .\dt4 l ,id,

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ThiM ~t \\U~ 1111 ri l<l. ..\.Iur1•oui 1·11

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15

l\lI(J•.LJ,.,;:.; l.\KJ IT\'TE OF ~1"1-TIULI\,

:S.!-.11. Ill \"!'-'HJ\. 'rl w•,:t !,!.•. r1 r:tl Illt't1 tiug wlll l,

h 1,1 11 lfo,ul r--01•i ··\ 'l'I- ilall, I)

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It

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\ 111 111-'.( 'l'olt '" LF.1 'Tl 1n- "· OJI !'-l!lilH f n: l'\".tldH!.!, 11 b HIKf,,

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tu.I ''<"1du1LJ :\lu~i,, ' ' L:d,or1rttr.,, t

IT'S GOOD FUN !

~

BUILDING YOUR OWN RADIO OUTFIT.

Ol"R GOOD;, um r.oon.

El

W,· will L,· ~Jn,I to hrlp you ~ i1h

ou.r ;.uh ii-, ... l · SEND STAMP FOR OUR NEW PRICE LIST

' R ~1!? Q~ 2n R~H~J ~LS E i 619 GEORGE ST., SlD::\E\. Plum .. Cit) 11117. rnUUllftHllflfllUIJllll l flllUU••UllltlllUl,u1u,u 10u t 11• ... ..... IIIIIIUUJ I UH•l"OOl1IUIU!l'1lll!UlltllUllltlUfUIIIIUllloll'•ID



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111 1 lil'III-HI tu hriug ,t ttl ll NUCCt!tl'I'. Tlw:-iti wl,u !.ro luter on will tpprnt:i ltl' th1t1.

.llr. R.._•,•t<tr b:u rxprr-t,,"'il t.he de~· !'lire that iu:th•n,1 <,r ,,aC"11 1·1nb izo• rn~ "'ll•p:.1r:,I oly. 111,·h pnrty shoul•I hL• m1ufr up of 1 wu melubt•l'9 from ,•n,·h i·lu h nu1il nil wliu tl<'sire to at_ trnrt ,hi>: womlnfnl i1 ... 01nn~traticin Jm,·e 1, h,l•~••l biM h1l1or1tt.orv.

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ommo,luh•il I I ·" ,_. (1ne rlnir TIH• ,l.1t,, ot tlill d~,t w1ll rrot,nhlv ba fJ11: !?fitJ, ,\ 11,.,1111o1t, l1ut u~ !llhou ui J.lr. lfoetor ad\olse~ whMl1M this ,lat,,_ w-111 ltt 11ult 1hl~ or oi,, rrotiee w i.ll IH• in t'rlrtl in "'\" ri•lt~,1 Wt•iikl.).''

S>,,W. R\lllo .\F<SU<1J.\'l'IOX.

, '~hr del1!:;:nt{'.,; will m('-''' :n LttUTPl •~ :1 ~tt, t1u W1 jlnl.'~dny, h.1 \ugu,t, ot 1 • ~,, -P·~- hmp, nrd c111 30th ,J uh· 1j I'?e\.·1ou."J.lv :t,lv\rtii;\,l ·'

,~il . 1·lttbM "rt1pr1'L\11•111t d ~,n th• ho ,•11u 1011 :n'L' n•~nt·~tt•cl ru iu,::1 ru••·

rhrh 1lt.•l,,~·11teR f'('~nr,liug :11u mat h·~"' I h,y rct1nirf! hroughr t•Orwa.rd.

r1101e. ,dub..-. not yet affitlatl;",t •hvuld JOI.Il np :d thr 1•:irlie-sl pos-iil,le mnnu ut.

Remcmb~r. ff Vnion i~ StrengtJ1 • •

ind wrt li:1ve :1.11 rx1·1•Jll'11 t c.au&p,1

I.. ATKJXSON, Hon. SC'nt_•Utry,

31 8;:a]fonr l-;trPi't, h:01,!1ir1Lh.

VJ("l'OillAN sT \'!'};

·r11 t h e Eftttor, 1 'Wirrl,-M w·,.,_,kJv. ••

Sir,

!'OTT~ f'T L.

• r'nd;:r 11,, hrndlhC' 1,f ••Vldotiau ~ot,·!-1 1 r1h1te•J'\'(' from y111lr lall1 t~!-iUf' t hat 1l1C" \'it•t1:1ri:111 Hh< .. i11n of The .'Yirdt>s~ lmditt1t1.• ot' ..\•1-.ln1li:. hll'! no' ,, 1tl1m1• 1 pnng'' , :'\l)itt!,l.

I 11111,v !'IHV that I hrt \'t l11•1•11 r lmu~ly

.Jul~ :!i, 111~:t

.. 'Puts the J oy in Radio"

TH E

'National Airphone' Model G

£3-10--0 Rore Is a, snp._r.sensitive Radio Crystal ReaelvJng be set up and opo:rated by anyone.

Ou tfit that c&rt

NO VALVJ:S, l!l'O BATTEltll:S NO EXPERIENOE REQUIRED

Only two adjnstments to make. WIU rece1ve music and Morse with perfect cloam ess. SIMPLE FOOLPROOF - --- COMP.A.CT

Write to-day t or 1llt111trat ed booklot describing thil! wonderful little Set .

I RADIO . ELECTR:CAL ·~ 1 !~-·~1 I ~ ' 2/ ROYAl ARC,WE ! i ~ SYDNEY. i : :

(:J ,111u1u1111un11,11,,,,u, l1n , 111111111111111111u 11uu1, u 111t11111111111111 1" "'" ""11111nfl•111,11111111111 1•uo111111111u"'li!Hr>'G)

W!tt,•hiui,t llu~ um1cttled c0111Htion of 4 Jut, :-df:1irB fur ll, l'CHl.!idl•rul,1e tune, :uul nm not u lt.oJ(otbcr ~urprhf•d nt ihl 'urn evenh lln\·o ll)lporontly tu.kt.•11, Tl bil.3 long nppNt:rt'd to mi• that- Vi,·tor-ia h o. "hous~ divi•le1l1

11

11ml ~Hbou_gb the r~port a,s puhlieh ~ti indl,•·.at, ~ lb.at :.1. barmonjuw~ romhi11:1 t ion b, taking -pla('~, I feel S-UTf'

tha1 the urgnn.i,ntion m'~('fl&a.ry tn 1,rop\•.rh coudurt thr .1n'ni~ of n.ll th, !'IC1.'tion.:11 ondf'Y t his St:.tc Conn• rll will hr hnpoMiblC' unl,·s!- they 1m (OTtunate l:'Tlougli I o h:.L\"~ nu rxperiP 111•(ld sct•r~tary1 wl10 is a man of l(li:•11rrr. and ran 1lr•votP bi.,-. full tinu· to 1lJ1• mnttPr. S.omC- e-ightwn 1111,utl1."J 8~0 n more. or Jr.s~ idt.•ntif'al rt1·hnnc Wll14 1,rf•par,•11 in NC'w ~oufll \\'nlPr., hut uttf'r ma,ure l' nns.itlertL t io11 To,,a.1 e...~p<.•Timentrrti. il.1.•rjdf'.'ll lh;1t tll1• \';1riOU!!> ,•lt1b!1 . ind ~nrfotie.s 'lhrnlld 1wi lm~1• fh r ir id~n1 it,v, D.Illl tchMtlv a.ft,•rw1triJ11 ma.nv of the lo· ,•:d 1·t'uh~ formf'd t l iP. N.s.-W. 'Radio

As~ocin* ion. T hi~ A!!.sl)Cintiun •,. ,•xNuth1· ronw.i"h~ <'f t1P1~4tJ1.fr!4, (one to ~\-1~r.'r' 1lfty mrmber11). awl lu~ no 11ower to int ,,rfeTl~ with Ui~ -do• UU'"itlt! ~hvf•rnmC'llf of &nr clul), but £1;xisn1 fo.r thi' 1,1u rpose o! u:nd, rt:iki t\R' importnot rummunlcfltionl!I l\nrl nt•J:!;otin.tion~ with the nntlLoritie..i, ('unt rollin~ 1n~tteu ut ~IH!ral pnlicy 11..S tdl(•t·Ung ttll C'lubs, iind nnsn~· iug mnt tr-:rs of mutual interest, nnd r1dju.11tfo,z diffe rrnres amic.'ih1y.

This .~.i=;..,v. But1io A1r-1od&ifon hru:t llL-PU on i12' t rbl for &omn fitt.1~ now, nn<l hnR prpved t h at it bu the rontld<"m"tl 11,nrl ~lJ:pport of 31) the 1'(Wit'tit•s, al\r1 wbUst lc~n.ving 1h11 clnbs tree tn ••Ontluf't tliC'ir )\I'll :,f, 1'1tirl'I, prt•seTvr.- Urnl bond of un1on 80 ,~p,c'Jc•nti:11 to the hand of •~perimet1h.•r14 'W'ltO:-il' •!XiH11•ner i~ withttu• prti:c1'dl't1t in thi!I wc,r1,1 °1!1 s.ihlrs.

'the wlsdom of tht' N$.W. Did~ ~ion r, r 1 ht- \\'i n 1f('M lt1111titute i n pre;;.pr·dn~ it~ i•le'nfi.ty thrnnqhot1l



lt;1~ not. lu en lo1't uu l01._•.1l 1.:.X1)tll'i~

111011t<'1s. _\JI tht!' 4'111lis t1re aware ll1'lf tho ~J".)_\\~. Divi:-Unn f~ tu t:J~

' t•t•,liug1y wt 11-gc•Vt•rn,,d institution, uul lbt•,Y a11prer 1att' the fn.d that

thi~ divi"lion lr- th1•ir ~reut frieud ·111il :11ly i11 111nttcr!J tfit>di..n~ ex-peri-111• nt1•rF w, u -wholf', :rnU has £u11ght hnrd in lht., cenernl intore~h with nn ,l,•sirt• for TL'wu.:r,l other than to J.pn, muhrn.l '1tltid:i1·tion.

l'l•r,::01rnllv T lhiu..k 1,uy Yi1 torian l'lmfn,.,rO!J urQ mnldng a minuke, if nnly- from .1 flnlic) r,oinl ul: '\'it>w; lint, wh:1.1'.•n•r hap1•1•n,t1 lh-:y 1•n1t

n·st 11S.1Jurt•l1 tlu11,.. 11n" e our h':'8t wishe~ for is11,·t'ess: l.LIHt l persona.Hy hope that if thei- ii11n the innovn. tion ut the ~t:l1" Counl·il too ,•nm• h1•r~nmf' tlJl'y will drov it befort' it filt rnn).!lt'~ it-.;;olf.

PHIL. Rf:N,OTT.\ IV, f'hairmun, N.R,v. fhdio. \IHHl.

'Ill \l\B•l' \f'll'IC' TEl"T t'O:l.DUT "l'KE TIEPLIEs.

('fo tlw F.<lltor) lh•ar Sir,-ThC" 'rrantJ•P·H•ilil• 'J\~t

('omnt..ith1l', '\: .S. \\'. Divi•1ion1 bo.vc rt•ad au,1 , 11n8idernJ tllc titn-1.1r11J

11u• tionf:I :i..-1,'-•cl 1,; Y"" in your pap· ,., <,( tl11 rn1 h l11Ht ., anti 1 have 1,el"n i11.,Tru<'tcrl ln· the- Ntmmittee 111 fun1i~l.i you with thr following r{•pHc~:

Thi 1•11u11i1itte'~ nui;w~r %.d tptetl· tmn Xo, I i~: ''The Cot11mitirl" notiJl •tl ~Lr. t,onrum th,lt h(I hru1 bt!t!TI nwnnlul tbr rir-.t prizt· 111 thll tc,,jt nn l \\ere takiug 1tt1~p1-1 lo ru:r:mi:e u Muitabl,~ n1c~ting to pre.sent .hini wilb ihc prlz,, lrn1 Ilic C'ommlt.tee r, f'f•i,;-N, .1 lPtt, ... r from ),fr. 00Tma11 sta.lint that h~• wat11: not snthifiorl with 1.11{.li.r decL!fion, and d!wnin~ r,1h(!J' riri,-tr-. •rtdi- na.tura.U,· tlr-1 .ved th"' prf"flr.nt~tfon. ''

'fht! :rn!'liWl·r t.o 11ueS"tion Xo. 2 iia: ti rhi• obviom~ r,,ply to thia iR C{ID ..

1 :,lne,l in 1111r AJ1.flw•1r to qul!..:ltion :'\n, 1.''

TJ1e u:Mwcr to qnt·flt10n Xo. a 1s: "'i'his i• n.l"r, ,•mhnoird in Hie nn• .. \H•r to qneRtinn ~n. l 1 thr. m:Ltt(.'r xtill beiJJ g: jn nbeyn.nt~."

The an,wer to '111881-ion No. •1 Is: h'f"111 c mnlTli 1,•r wr,r~ n11hu1lh· n :\kini:t rirrani,tt'ntl<nt!; tu r:11] " Mi? 11 t ,•tin~ of all 1 -xpPriult'ntP-rs to pro t1•nt )tr. <iorman with thn priz,•; lint tlu, t·orumittfl ht'i1l 1o r:tll('lel l11~•ir :nr:111l?<'t1tl'UtR l!<I l'XJ1IJt11tl'll in 0111 .rnsWf'T tn n11r-.tion Xo. I. The:l?' l1l1 n w:1'-I to h·1-v-1, 1111 \ll tJ111h~' Xiuht ill !-:vdney rnr th,• 11rP~entn tiou 1,f t110 pri7.l"• but 1ww if dt ,·om.: tnnl'('8 Jlt1rn1it1 nrul l·1r Gr1rm8n i, 1gr,-1•nhl,•1 ll1e f'r1n1mil1pr, 1•11r 1,0!11 prr ... l'ntin,r thP prbP nt the

17

forth,·u111iug E~hiblt.iou, o h,~ hcltl 1n the Town Ila.II, •t wbkh he "ill i::-Pt a..11 1ecoguition tl11r.

The an1JWer to qu~tion Xo, :; ht: ''Xo; tbt, f"ommhtee nr.., of t:ho OJJ· rnion tlrnt }.fT, Gor1nnn has not ,von wy other pri7,(1 thn11 the ont nltot

tfl1l; but in .fa.ir.n~i::, 10 .Mr. Got· mlill .m• , ppolntlnj! rm n.dj11<licat1r .11.::n•t>abl1- to bolh paTtitll, wllo!!c dech;.ion is u, be ti11nl.

\'41UT., in.itb.tnll,y, \~ii,:nc•~) G. W. Tatham,

Ilon. >'C<!Tt:tru-y.

Ramsay Radio Supplies Oonvert your Crystal Set to Vnlve, our ncteelor Cabinet, witll B11kelitc pu.nel, RhcostRt, Valve Holder; graduated ac~e, tcr• mlnnls, etc., Nicka! Fittings, in 6 ,: 6 Cnb!net • Price 4'1./· An,plllying Tr=idormer Cnbineh, cornplote with Tram.former Rheoolat, Valve Bolder, Term.inru,., etc., 6 x 6, Bakelite _panel, In poliahed Cabinet . • . . . . ·. · . . . .•. • . • . ••• . Price .£1.

WE MAXUFACTURE EVERYTHING .l!OR RADIO.

SEND lor CATALOGUE

OPEN FRIDAY NIGHT

Ramsay Sharp & Company Limited RADIO ENGINEERS

217 GEORGE STREET. SYDNEY

YOl'llS l 'OR

Everything Electrical St•n,l 11H.• vou.r Enq11lrif'~ for J'!lt'l'f rh·,d Tn'"" ui 111 kin1l"', EJ~c frir Tru.lJ.1 S1•l~ ~1Pa111 Tr:iili.i; ""ir1•1t°'"l'i l'-ii:-fit. :\fruft.1 \t<"es~ori~

llJ-' l'rl'\li .1:Xn !TOOJ, 1.)..G \T'T'\1l.lT1'",.:.

I l'.\Tl-:11 1,:,.:T'F.('JALLY rrin -rrrn 1ron1-:L E:-.-GDr:1-:R .\'<11

~;J,tl'TRJ<'l.\.S.

.\ LI, I:,; f\Trlf'K.

Frank E. O'Sullivan's Electric Shop

Phone: 80711 City. L 296 Pitt Street (op. W.& S. Board) Sydney



Tes nd

Conquest

• ....... !

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'

'

0 \.: 'C' •rrant Atlnnt f l

J nn tir. t \\ hrn 11 Aw .. ,i ,o Ttlci;ra h aud

i P1f'f 0110 Comf ID\''• oilic- 11• 111 ~ w -Yori adJ..r v l u dll II•µ ,., ~d , 1•n1l•lr ot ex-J•<'rl• aul uth r t I '.S'tn,· :Soutlt.:at u, L, 11,Jon, \\ t .. tr-ro F.I ri• 11 "11 I Rr r1Yen •n I '\\ ... Htera Elr tric L u i ~p,• l in£: It,• PIH rit nuly 1\"tr • 1•~ 1 iu tta Lon Ion 1•01i for • I '-' re r,· ,11un of •hfl u e D!:t'I;.

! ... _;· Wesl'~r~-~ectric ,·=,'-~

m LU1' nur.H mm m,n

:J•1.-.uuout,1uuu,.,,,., .......... ,,.,,., ,,.,,,,.,,.,,,.,,.,,,.,,,., Q

.1 11~ ~7 11:..:

1:1111111111111 llilll Iii lllllnl 11111111111111111111111111111111111111111111111IUllll11 HUii 11111111111111111111 11111111111 11111_

Radio Company Loftus Street I 5

CIRCULAR QU \Y

L.Ltn-,n tu '\; ... z •• land Broadca,llng I' R"'I- r,.n,lornm 1 S0-4501\1

Radio

~lanhanan Vanomrt~r<

and Couplm

1\1 anh•tt•n \.,n, h Knoh and D,al .

47/6

3/6

Good,, Irons, lamp,. ~,c.

3/6

COUI\TRY ORDERS \RE OUR SPECIALITY

We Open at 8.30 a.m. Daily

-

~ ---

~ ?,111111111111111111111111rn111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111,111111111f



19

_ -~ ~ UIIIIIIIIUIOIOIUIIUIIIUIIIUIIIIIIIIIIIIIUIIIIUIIIIIIIIIIIIIU,unu11n111111111unnu11u, ...... , .. ,u111111u1111ou1111111111111t1ut101uu111110lltu, .. uu ~~

The Australasian Radio Relay League J Bp ,I 11 · R()/Jin.<DII, Pnblirlty Offu•<>r, Au.,tm/a,i(ln Radio Re/av Lea1111,

~ 11111, 1111111111111111111111n10 11111111111, u1111111111, , , ,1,111111111111111111u11,11u11111111111111111111111+11,11111,u1111111111uu111uu1111,,,,,,uu11,u1uu1111111~~·

, 1u, 1 •t1•J1hou tis Ji, \\ 11'1· €'-ii, l1li:t

\ (,qr ,la..,iau Ra1hn

1 rt-1111 h:,~ 1w tt~sir._, wlrn.t • · •iq, • • , "' 11i' 1hr prh-:,tc

\\ Jd,•h p11-..~ h1 t Wl'Nl 1•ttrn

t 1it i,rn?,.. Ir lH•, m l,lt·•ilif,

tht·~,, ~1at11,u, :iutl kuu\\ whut sort t,r traJlii- th·~\ urt· haudlilil;_, h, l,S

~ali"'lfh• I. l'11,l,·1 pu•.;.t•nr 1·ondlt10111'o, l.11 1 \'fl'\ t'r, li1· 1-. h.1rdlv nit!, 111 , • 1d n\1•11 1]11 pri :1mhl1• 111 r u.Hoi:r 1111~,

,,,d h1"H~ m·1m .. t.,twm1 \\ 11)J,11 1 IH iuc ·1hli• lo .._, •f•., L"x·,, t .' 111:.. ,, hn •h,·_\ 'I •

It "111 [!l'U I J., h , ·uH t IJ, lJ1a

.. lac lliOS ~.,t1~f.u:t •J \ I' r 1,t Ul ,11u:tt1•\ll' '1-1 OJI ·r&t,111u lll l'C•ll114 l H•h

\\ ith 1, ,·rpt 1011 ,·ortMl!il ~ ot' I he 1a1 u i11..:, 1d' ·1 1't.1tio11, !lit• j,j1-11tlfyiu~ 111 ir, :11 •1 tlh k110,\l..:d~t.~ tl1·d l11s ti• 1 lw.~ :1t u\ l'"lt1 th1 r.1ngo '-lllffi~H•ui I(• 1•11·!1,l,

0

hl111 tri f•.'rl..'l\tl' .frnm ih.11 .,1:111011 Ir' 110 I urthtr. J+ i, sai1.· to 1.-.~11111 • 111.d I ir~c maJorit) (If th m ueur 111 ti.1y luwc uo 41 lrnilt

J..111,,, h·dg1• ,I[ j n:st from wl1, ,fis 11t1·1· t 111.1~ 1·.111 rerf•iv • 1111•-...;,,g,:..

Thi\ , rt lol,l h\' u~o1u~1lu1 )\' t\h11 IIOW!-1°' 11,at tl1 \d•lahh~ ~titiur1

h:1s n ('1 rtnff klll•l (If nott•, 11111 thn ,, n 011111 1t 1 b,·ar4J 11 nrr, 1' 11111.'

tli.i11 lli1 \l1lhonrn1· 1-<I llil,n_ Th, w·xl riu11 t 11 \ H-.1Pu iu 1hrv f;10C", tJ1, tli 111,t of tJ1t !-rl.11w;1 ,\}Jtho 11n·-.~r1c,l~~ thr:,· 1 :111 hr:n 18 tbt' 1111tt

•'•'"-l ril111,l I II I h~111 11}' that • • s,,1111 hmh·, • · !ltlfl llu•,\- ihcr,·fort> fnrrn :"IIJWl' ~:a;.tu,• irl1'1J I hn.1 t ht1:,· 1111'- • IH':1nl \1lf'h1tlL·, 1'he work tl11•, liav., )1111 111 011 tht•ir ~('Iii wo11!,i. l111\\,'\1•r, 111• far rnnr,· grflllly rr

p.&id if fl1t~y w, t .,hlt to :actu. 1 ., r• 111 1 hl' flrl•'I 111l11(• or j }w mr .... H!.• iii ~pah-L1•cf, ;11111 to kn11\\ rletlnllL'h th:d th1-.y h:111 h<'trrd \d,· ai,11•.

ll•r• tht·11 i:- wLert rl. \11,,,,trdn .. 1.tfl nrlriio H1•I 11 1.r• Ii,.! u• "ill fill 1 )OJII! rill W,U11 \II jj .. m,•,-..a;:!

1" w 1?1 h, ill'!-iJJ:1rh, cl · II thr- tu,rn 111 r n~ ]'' i ~t"riht 11 li\ th1 rt.1g-ul.1 t10111o1., 'rlrn prrn·rdm· iu r l,!":tr,I t tl11 1·.111111 ... of ~t.,tfomr ,vil1 l,p :u1ript ,·d, ,rn,r tl1t' pr, :1rul.JJ .. !- to all m""':,(:Jt?· t" will ht~ Ml'Ut in 1•x:w'lt the t- 1111

1w1111u•r _:i~ ·1r11. th"" pr1•n1:~hle8 .'o l'0111111rt(·1al rn,11og-r:,m... l raa>t1t1lro~i11n , ... n1, l11n, ('\ ••r, lw r:I rrir,i 011 t al I to,., ~JH't'rl (,c;,iay frn or •wPh'<' ,\.ur,J:,.. 111 r n1i11ufr, a rnte whir•h rnn11, n11, 1t1•ur .. ,dlt not nr11I it ,litli ,·u11 !(l J•irk HT) 1111?-SS;l~P~. .EV"lJ

Uw-1,• wl111 ,,r • nut Mor.w 1•xprrt!'{ \vill ,111·,,h· 111• :1hh• fn id1•ntifv 1h1• t·111l ll'ffrrs of thr. !ftntio11 whii:-11 will hf\ tl'n11:-1nittril thriP1\ nn,) t>Y•·n i! thr, ,tn 11111 ,·nr., !h(' wl1nl1 nf lhr-

1111 ..... l;_!•· tl1n will li1 ,1111,· ti, l"ntn,vt'roru "ht •11 ~ .... t .'1tio11 1111 \ln!r''H! h1L'! l'l'TIH •

It 111.u, Ju 61td Iii u ~111111 ('f tl l' L .;.1~11,, 1111 hlhcb ,,..di h1 r:in!$u 111ai.:, nichtlh ,ud th 1t 1'! tlH•ir IJ\l''" I_.,,(':,( " I 111 lt .. tl,l 11 ht• j)1('k 1•d u I In 11, 1 11 1• 111 , 1u,:t!wr be.• In· ., .. 11, i t1• J 1+ 11lt r oJ the

or 1,,11, 111.t iw .... umJ 'JU lw ,I J., ,111 ui11.: ti•'- L :t.1,!UC. U111d1l I,, lr11 ,r th l.t •J.~11e

lid 111d 111 I 11 l to ~Pl' 'I lily 1 11i \\ ln1 r , th"i:iti

11t nil1L'r8 \ \\![

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' \~1\1tl 11 1 l'' t1u_!. r11r t,v- .1,,f>1•i:it1• t1r1•11d1, r-, l .. t l r . mprl'IH•tL~ivi• ... In 11J "1ii I Ir I" l10Jh•1l ,vill lw u .111~u1 141111 .1111,11-..l t4 -.1,ou ;-. .. 1111• L1•u 1•11p n1111111•111•1 !. 11pc_lr11.ti1111),., H ',\ ill It, 1J1 :l,e, i11t ll•'4t-. nf' thr lwJ.1 PJ's 11f I lit r, r,•l,·iui,:" Iii• ll"lf'',\ \\ lto 11.r~

11,•rid,..r .. ••f t 111 J.1 .J!!ll to r ir•·fulh .. 1•011 pilt I,q_ .. o( id! tr lilh wld,·h i,-i: lt•t n,JI, 1) J., 1111• l ... 1"1.!11 •

·r,11• H'l\ 'IHI 'lgl Ii wl1itl, will ~tiu~ 111 ..,,•t•llr<"•I 1.\ ,1,:-ori tft 1111•wh1•r-.. ire ,i1,, i111 ~. \.o1 ouh n ill tl111 \ re I' ~h, pr:11 f 11-,\ 111 rt ··•·r,r-ro11 hut !111;!!\" wil\ I,, 1J11,rd1•d ,, 111st wt liuz t•·r.. pr.,, 1 l--.1 unrlPr l"nmlitlou~ which will n UHt\ r 111111 h uf tlio irkMn1"111 ilrud '1•rY 1w 11 i:'lt,:,(1 \\-itl1 the l1•'lrniuµ- 11f ti" ,·oil,~ un•l,,r prt•S.1·ut •1111,lirit111 'r111 .. it r,w1,ptinn ·will h 1, 1 ,t Jtt ,, wh,rt•!-lt ·1ilrl• 11 tu it 111:"ltraa of 8111ini,!' fnr lirtUT'- :Lt Jt

~c,t h~lf-'L1.111_:: rn to +ra1li•· " ·hid, is bein~ hawH1:Hl at • ~prt:irl whil"h prP vtut :'I thC'm rc·1<.li11~ if tht•y will lw .dil1• to <•trni•f'l11trtd, ou 1111 1'4Hlr I r,111s.u11..:~lons of th~ n l•lio Rl1lnv Lt'o~tt,* 111,•1111.,•r-., will b+ nhf,, tO i'ompih• 1•rnJ111r lo;.!"11, .,n,J ,.,;n riml tl1nt th.-ir nil!hhi !i('t.nt ,rith lht• rt' r.eh 1.:-r~ on their t.l:'.i.fs will he1•01H" rnm·b mnrr· pl~a .. a..ut than i!t r-hr ro,,~e Ht th, pr1•,;i•r1t tin1e-,

\uutlwr 111:ntN wbit·h tihould pro\·I• 11ttr,1di\,, w rh"m i'- tli.lt for 1 ~nwJII f1•t• the,, n HJ h, ,•tJJnt• 11wt1t~

IH•r ... 111' 1 hn•iy \\ hll'h i"i mir lo



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\l, ... , l11 1rh th• 1.i•I "ortl 111 \uri.al,I,· -,.~-( (,n,ln1-.1·r f ouAnu uon. i 1,nt1m11111-

h ,,1ru,hl,• from JM~lfll 10 .IMII. "'It•· ~

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llr \mh<llnn,·. Iii Pill"'· ttr 1h, I 11i,, r•,11 Fl,·..iri,· ( "·

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Puldi .. he,I I,~· W. J , \1-1,darrly Cit -Id \J nrdm h .St , CrtimOntt!, for tbt' Pror,rh, tur, ht Iha offlres of Pub he.it, Pre :,,, r .. t,I.. 33 :i: Jlt"~eut ~t.. s,,t,Li·s



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Wireless Apparatus of Proven Quality Wireless Telephone Motor Generator Sets

\ \t'I} lllll'. "t11,t!I -,111. \[ut1>r (7t.'llt"r,1ror .'.",Pl ,.t· hi:Ih rffo i1•1W\

l niH•r-JI , •. ur f)f" .!llh ,rotor. c.;ri11111 I)( (~t•t1r"r,t111r

, •.q1.t1'11' ri In 10 \\,tit~

£15 15,0

Audio Frequency Transformers ('1\-.n uJ lh•· lit- 1)

1,~n.-r .. 1,n \1111111 Fri·q11t•1w, \111plth ill:! l'r.,n .. funllt r .. I tlJH ln l

£2

""'" I 111 I •111..l,lr,I 37 6 1 Ill I , ... ,,, £2 10 •

The Colv~lle-Moore W~reless Suppl~es Hotel Australia Buildings, 10 Rowe St., Sydney. Tel. B2261

T H E J E F F E R s

0 N

T R A N s F 0 R M E R

ELECTRICAL CHARACTERISTICS

It t1u Hi ! 1111111 1o 1•rrn1an t11rn~1 3.71 t o 1. l '8 rul f(tlll' fr1'IJ 11 J ' r in .. ~ 1m1:;n,,n 1•vr-Je-.

3 \ 111, ,Lie L·11rrt·1tl nu 1rh -;,,i111l{ug. It• 'milli Im

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·ol :.i 'l h< I~\• l 1 11riu1 1r 11d .... , ,.11 htv, hi"! ~l r1 1•n11 11,·, -.lfo1nl n ,utl g-ro1111d, 31111 t.

t Ill I \,o1! l~t ti 'It, OU 111•• !J ,•inui t , .;1)11 ,olt"

fJ • n d1I, ·it :1ll Li::1d111~ Rndio lir:,lrr:-.. Sol, ft£enu for .fJu,trolla,

FOX & MacGILLYCUDDY DAILY TE L EGRAPH B UILDIN GS

KING ST SYD N EY P H O NE CIT Y 3062

QUALITY RADIO \\ Lnter :-;, 1J111m1 ue 1111 hl'st for Radio H.eceptioa.

Serure yo11r :S~t h .... foro the Bt-rc+on arrives.

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SE~ FOR PRICE LTST TO

W. HARRY WILES, Radio Department,

60-82 GOULBURN STREET, 011e door from P1 t t Street

S YDNEY.



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