RELES - americanradiohistory.com...The wireless weekly : the hundred per cent Australian radio...

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The wireless weekly : the hundred per cent Australian radio journal

Page 1nla.obj-627775353National Library of Australia

·- - - - - ------ --,-

.,W~\RELES.S W{-E,~E KL V

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_7HEWiRELE~S/fi .. WEEKLY ;rrtJ ~A

A/tmn",I /'/,,,"ofN(,lv !he /Jtle,1·t;sls __). ;qi

O/ '1'11,·f'/t>J'.'>'Eiilll{(Str(.j'/S /Ip ,i, UIL 1 ... Aotrt p 11ra11a Prot~sswmr, ~ •

\IL No. 21

A Talk with Wireless Weekly.

1Vhat W;/l be Done?

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What Should be Donel

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.\Jil, :!,"> 1 •:! .•

THE REDUCTION OF THE HOWLING VALVE NUISANCE.

By E. Jo,epl,

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The w

ireless weekly : the hundred per cent A

ustralian radio journal

Page 10

nla.obj-627776717N

ational Library of Australia

WIRE TABLES. SOM£ I AU. AHLI- DA1 A FOR E'(Pf__RI\IF\ l £RS.

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rhr \\"m4hn~ i" to bti, w it)l No, 2~ :-i.t-- r ... O·~i 2ti turu,i ahoultt 1..-. womul

rn 01lb mcl.L. \\"itt •• ordinan.ly purcho.aed ahghll) ,arlO!l m rlto..a1f'l~r mr R-aurod ovrt· the uumlatton, but apart lt<J\rt tlua al11,tht ,rrc•~ulut,t), with thf'I ,ud or U1n t,alol,, ... 1l .. pt1rJ:3il,tu for t ,O"" •Ito •rn 1101 (,omfrnr with wira J;T&Hl\fW, or \\l10 hn,·e no m1 uu.rinl-i 11u,1 n1m1•11t a11d1 m1 n m 1crome,IAr t o de"'r mine t.be )?AU~e of w1rt• th<'Y mny June 'l )11• ,nrn llhouJd l.,., woWtJ upon • stun.II thamt•lt·r rCMf, 1tu.J lhi, nwnbt!-r c,f t11n1il

in I oue-i.tu•h le111e1 h cow,t«I. •n,o co\·urmg uf tho wuo i11 OftJl1I)' ,fotcu 1nl11tu:l by in•,~·hOh.. H t l .o ·w1rw ha• hcon lightly U-1iW1•:I, • ud tln•ro aft'I • ·' lfi turn111 nnd the wlro luu a lnacle eilk c•r)\"e!'i.uJ:. th~ 4Jta1nett-r of ihe ro,·«"n,d

J :.! ~Ii:?•;\ t3:i I 7,350 .. lfll•~ O(ltl 007fl

'l<ll ·1 10.1~, , U,jff:! llll7 IIO•i!J ~:10·0 13,261) U ,PII\ ,fl(J7fl '1)111 no.·, Ruol•~ ~I .Z!i7 2:1.H0~ •OOtlfl I ,fl(II

13 28·0 33,l OO 37,18 1 OOJ R 0011 1913·!1 .lS,82!, 63.G,-I zo~s •O 7',7W ~a.,;u 1 6313•0 13~,825

303.000

,nrt' '" 4! ~ ·02:.? in. Frorn Ute U\blce.il i.tJ fvidl•nt thu Wl.re. 1J1 ~,, :?fis.s.r·

Jn th!·t:i l:~~~~tl.~~;J ~o~hl~~~~~1:•~~n~~1~r.:t~J~ 11l~,1~t r:;-~;t~,.n;y_,;·•,~_.t~i~ Nc..imnu tht"I l~.ngd1 of wire ma C'Otl. nml J1~t11..n ,1tt rcabltan~. .Aa an eX, Hn'lf'l" 4'11Pf'°"'~ ,. p«1lr11t inhwt1•r 11 o•qu1r,·tl . , \ r,<•t••nt 1orn<'tC!'t hu "' l"\'9illtnnro Ut"flN"lly ..-.r 1111:' ur,frr ,,r Vill fJluna. hf\1l X(1, :lh mnnt,::nrun or Eun-kn r..,;i•rn,u·P w,r,., •ill '"' u~L In thl" ra."lt flf tho 1-:urt>k• Wirt',

from th., 1nblf:!6 :"\o. 36 has A rf"f-1~tan("f.l ot J.iJUO olum pe.r l,Ot.10 yard:il nr 1-l·b- ohn'lll p,r.1 ~ ord, Tht1 J.,nlillt1 re-qu,rOO for Lhe pownt10mt!l"r ,,.

tW . thf'u Tf."s"nr :to .J ynr(ls. lf thP mil 11pon 'f\•h1rh thP Wl"" 1' 10 00 wound

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lot.If _ turn, j":T'i c:,r 3 h! I

ho length of the, p • Tl1014111 oolum,11 J:lV«P n 01r.1111rt«iu hcrLwce,1 tho,1~,::. -- ,. of ·\mon~M.CI

.uci Brt"lsli t\'ire i:•

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Wire/els W illie·~ IV ee~ly W arble.

[ 01111 ""

,•lia1<•11I 1111<1 ~lake

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,I \I irk- whil•• 1,·,tiul' ,111 h 1 .. ,, trau.,mi11·u~ , ,1 t 1111 ,1

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in lmiillt: """'' !I t '.,.,k, C' \ 'I',, l11r, r.1111 fl ~lt111rn_v lln

)ult kuo\\ \\h .. r•• th•· Ju·n w 1111•ut.

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pr1•Jt.1r1tl loH. pllt IJ\ Pl" H Vt•ry

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111Itte1•:,,, -..p1•111 t,, !!'U at tl11· ... aine

tiuw Tlw •• Itti,ter, • I 111• hf"'\4', 1, !'.till i11 operutlHII

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Trials of the Experimenter.



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.UL\ 11!:I ll -;'I ,\'l'IO'I:,-. 'l'1t,\'-::-.1r1TT1-.:1, rnr-.

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::.'\t, 1°11 1 .111..,\\t'I I f I"'

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I Free Wireless Sets : ·.:.z:~1·:.:,,:::~~·;: · SEND 5 SUBSCRIBER S and ,ecure a 10 - ORDER

S.-nd u, 16 Annu,I SubSC11bers-,-,1h \Jame-. \ddre .. ..,~ ,nd Ca,h

CRYSTAL SET j ; .•nr.u ol ,11h1n1ptinno ""' , I\ 11 st nd n•n •111 onll'r for:,

~ ., .... " tn •

AHD TCN SP1 1LUNGS IOl!f (\/(RV 5 ~UCCt.1JSP/( 91.18.C!'I I.F"RS

Our or,t, nt 1 !I~ l, u ,l to 1-a1r~L1uc 11iy urtirl• a.,h·er ti11"1l m thia pnpt-r, or n1 1 lr po, 111r.ut for 1u1.v brhd

Jf'rltr 'ub"•ribtr'a /\am~• p/nmftJ and ,lolt" rwmt of f'um 1.1..'r. (Jtt to m~~ lb~ OrJr, on

Wireless Weel<ly Newspaper B REGENT STREET

I ANNUAL SUBSCRIPTION 17 ./ i i GJ .......... ,., ................................................................................................................................................................................................................ 0

PER

SYDNE)

ANI\'L'M POST FREI-



\1

Six of Y our Most Pressing Radio Questions Answered.

II

HI d ll llb n>1t1it•n~• r,- ,Ir, a,I.\ lu 11,, ••

!low n l i,, pr,.,. m,· rnJi,. Wht•n th, ordiu 1f\ l\ pt 1,( 8 bd llt•ry, t.q11~.:d Ill !ht• hu~c (,·~ c., ti" .. II"', rt, llw ,1ifrt.•re11r11 in thti ,nit ,.:~ ~:au ht , 1rl, ,l ,,ul~· h~· l! 11h

'l'> )'11"'41 nf '}Ut·"I u,11:.5 thut f'o111t• m1 1h r Ud-. dh·i1h111 at how •u inn, :u.,• lb r.tnJ.(11 ot r:a,lw 11tlt 11u, "l'\l1h-nld l ht rvt,,r, pint•'" h, tr1n11c1•f01I ,; ilh f11, i!rf'l1111,t ,,r 111t a.aeriul tcit!, nf u dr,•uit •· • 11atl · • F:hould t11 r,,n-1l1 UPtt'r 111 • nnnntct) with th(• J,tt1•un1l l-:1111 ,,r th, 1tr.rln1 l1•1uttt • .

• tq•.! \ J~Jit ntifm l"llrr 1n ,k"'°' 1,

frnt r fJ4Jj11"'1111,·u I )'flll 1'11,. J'u hook 0111• lnttt il ,.t,1111lnr,I 1sr,nit, ii J.._

h·t~'"Hl_\ lt• tur 11,•rt tl1t" IJ('~nti\1 t•f tt, R lttaU +·n "ith thr 1110, In,: 1 ~1ulwr. or ,ti.la, rn•I tlw u~a tn,, of tlu• "roruJ;: 1, 1111 r,.- 1'·itl1 11n1• , ml of tlw JHdt utlttturtr.r w'bil1 lh1 o"iti\, J•11l1 iit to11ru-~1 1 "hit 1tw utla r t•fl ttf n•.,.1-.t.1,n, t \ l1•1rwul uf pot+-t1ti0111 In rl'hf' plaf1• ,ult 11,tl

Hi tf1tH 111• ,arir,l ,,itlun ,,.,u II Ii.lo Jh hv n 11,·in~ tl11 flh,lt r 11( th1• po I ut lo111Nrr frr,11 Hh~ tnd oJ 1)11 rt ... u, I Bftl"t' dt• l Id I II 011 ,,1 l11 f

• 1 Ur,\\ nr, \ ,·rni,·r ,•1111,l,·n .. f'r~ r1111 JU trd lut£1 n hi•uit 1 ' 1r11ul,l1 • 1n11n,· nf my l"urr, s11om l, ru ...

\:ruln ,'.ond1n~,,;"' "u,l'HfJ ilt, ( iti DI tunini: nf tlu• ~,. \lo~1 rnllio f:t1111 11:1\ ,, h.ut Hu: , ,pcrle.on1, ,.f hriui..rinu iu u. ~i 1tio11 witl11111t ).H tu"" 'lhlt tu 11111 It 111 11 bel'-t ad , nln£'t' l,,•t<nmo tl , tT ;i.fi •l1r ad

U1l111 11t \\m1l1l )1111 111, ~t:.tio11 1'11

••1·10111~ thlt11 rlift', ulh, \*<'ru1t1 too , 11-. r11 .. 11011'' I , • Nu1 ,·h ,I m p.a 1

\\..'lu ••·Hr f"'""'tt.h, tb'-' rolUr) J•lat. 1,- kl11111h) h(• 1N111ttt'.lu,l ,i,itl1 tht• J..'Yuuu,J,•tl 1,ur1 ot 1h, dttult lu u ~,•r,,n,lnf\• rirc·ult, t hl l, ad from 1t, ,.,.r11ud~,r:, ,·riil 1,:u1.Dg tn the A 11:.h..-n t1l11111Jd 1H ,,trf•lut1J .. ,t arul tho rut.in ~·undt·lt~t•r Jdah"" :i.lwuM be 1 hllll tr1•1l "11h thh, fltffi• n( thi• tir ,

1ulr. 'rh, '~"'-"'on tnr thi.s tP: that tht' rot it, Jtlft1(111 ,tfl tlu 1111•• 10n 111 ••tt-,J wnh t1w tthaft of thl" t"Olt

,l.:1111,, r• .1n1l n r1 ruin tUJ•Dtlty t•fl'(lrt J.., 1Jitr,1,h1('t·,J lH..'t\\,c11 Utt. h:1nd that Ii ;.:1uln11f1 ,, ,nit tlu 1,11,, or the • irruit lo \\Li 11 thf' rotar~ J•lutra ir, 1 11nt1~t.•1J J! tb, n,tury plat .. ~~ ar• f'oru,octed \\Jth gyouud, how. • \, r, tf1I 1•Np,tr it} rff1•rt will 111,t he 1•rt.,t•nt.

I' 11~ 4 u,1 rs prn.tt, tollJ thn 1n In tn•!"-1 or tpu Mion~' I TPreiv~ 11.lil to him lo iur1 r 1111 tfu rnaQ:, ot tht1 .. l \\ it ho\ll J'C"(lt: in(! In tile. IJ~\' nr 1 1111 fr • qur h ~ anq 1ifknfluu

•• I 0111 ,:1•thnc ptt?rt:i: ~oo,1 re-tiulh. •• tln'l'a lht• oth(Or .:rrnl Arouri 1tf fll) •·orrt"!IJ10nfftnt1. ,ttiut l'ti lilu~ lo 11n1 w ltM\ 1 fl 10 'k l111 rnu11i1• I 111111 fll , .. lond " fl p1 lltto r rh . '

Ca11t1,iu~J °" /W'I" 12

~~~~~u~~~~~~~~~~~~~"~~~*u•~•--f l u l Get Your Wireless Gear al Electricity H ouse .t ! -><17 C.EOROE STREET (OP. STRAND). TEL. 2901 CITY ~ "' Couden,..- Plfl.tes J 9 jiff dole . Conden..er Sp!ndlea, 2/9 per " ~ set; Conden-er Ends, 1/9 pm; Honeycomb Ooll•, from S/8; ti l Bon117comb Konntlllll, S/. ea b ; l'llt.mml Besi&taru:G, 7/8 •• .h; J lt C:tllh,aud Duus. J/8 oach; ltnobs, 1/8, 2/·, 2/6 eacb, Contact ~ !l Studs, 1/9 per doz., Switchanns. S/-. 4/6; Term.!nab, 6d. each; I "' "l'hono Conaen.,tt8. 1/6; Grid Coudon-01'11, 1/6; Variable Oon

denMrij. '25/·. 80/-.

! Murdoch Plionu, 3t,/ l\tyera Valv~ 35/ , i ,. Cataloguu, 9d. each including wilinr and other dfagranu AU II ~ ml\Jtes oC Telepbonec iwd Valves. if l Crystal Cup~, I/ , Detectors, (J/ encb• Loo•e Oonplers, i0/-; 'lf J Oabmeu. Ebonne Bakelite, and All-round Matenai.. I 11: Complete Crysta; Seta, £.3/10/-, £8/10/·. £7/10/-; Valve Sets, I ,. from £9 to £3S, I, 2 or 3 VAive; U~dlotron v,.1v .. , J7/6; Vernier i l!lleo, tat.. 15/-. I ! INTERVALVE TRANSFORMER, ~0/ ! "' Closed Iron Oore. .. ~! L :>.ttLH :-,;Lw 11.\X \( 1m 1::1\''L l' It \Vorb Manager : Rl\ymoud MA:Into•h i I Gener<LJ Manl\ger: J S. Marb. ! 4\ 11 t<1111111un_it"ahon~ to tht- Firm

---·••*•-·•·*••*•••*••···------



,~ , tw l,e tlonit,.J. ou tl, 11urf,lt:1 of th" • lH eolutlou t11 tho Jon to lrnl1• 1°rn,·11 ut , \1tpc1r:1t11,n, All I ql•,m 1•r1 \Cnl

•11:arkin.: n• 1h urf ti .,f thl' la 11uid TltlJII )nth J\ 1l1ho11gh pret•y t11 l111Jk u1,on, t>au11e1o a rA['•rl ,t · t, rior t1ou CJf 1lit· t•l~l r- 11L thtl 1.01nt ot oi.: un, 111 ~.

\ lrllV i1 uexl LIi t ft! r ot lllD

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frn, n lt r to • , n ('ight1o• 1,f nu mrb thick 1\11 ,,.. If•• 1 f r th• four Jnn, "·hh a l\li ht ep11ratJon ht:tl\ n tl rm to Jmit a r ul

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fullowe-d 111

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iM 11(1111 nttt!I " to II ll f\\11 tag t' ,.r 111f•li!i, '.lllun (nr 1J l with ft

lnur1 flf11 .. ktr, Intl if ,on '"wnnt t• ·•" Inti.I nlll'. ti r•l,,1110).!r:1;,h.' • it ma,· h1• n•'r ....... ,rv 1,, ti!-• Ll1ret• .. lJl~••r,. hf .rn,11,l fri'<11Jf'11, ~· 1t1,q,Jill1•uti•J1J

1f i"' 41{1i•n .1rh1'l.1l,t11 tf, u:.1H \\hat •• 1,-r1111•c1 n 1 'wiff lii»ci11~" <tr f' h:Jtlrrv. 'Thi• mr,v c-ou,rid of ahont lh ,, tl:11Jlilhrht rrlJ1;i ,•onrt('rtr,t in ~er i,-...

1 nr n to:ernnll ~.\. ,·oil R haf teT,,.

1tlll\ h,, 11 ... t'rl. Tiu po:o1ithC' ~~~ volt t, rn iun l ht t"nn.n.-•dNt w1l11 t lil 11 ~.1th , o f tht• ~2j \·nlt ,h•ff"lf'tor ur "'A haltrn Th•' "F trrmint1ht nf ltu t r. 1111.fnr-1(1""'• in111hi d nf h~ina

T es t •ml

Conquest

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I Weskr11 E/ectri i C., IA,.. ... l l>I

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\ - , t •t_ I I;

MODELS 1_11 \\ I l l\ft UI 1"' \ ' '"· 1•· f ... 11 11 I ll(l,Tll\rfll lhT

O . BURNABY BOLTON

A LL the latest Arr.~rican \\ irelr<s Journals and B,,oks on hard.

STOCKS ARRl\'l"l.;G BY F.ACH \llAII.

Back numbNs on 1-ard. l a,I rn and inspect my ilocks. Clocl \\ctl.: Ira ns

and toy, ol all k1rd~



14

\Ill .\l ,~:1• llEt'TOIP, 1 l }•'F ~; I/

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j Winter is Near I y y y y y y y y y y

{ Radiators from 55 - :;: + + y y

:\: British Electric Globes I /3 each :i y y y y

i: Electric Irons 20/- ::: t =~=~ ili y y

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Amateur Calls

SOUTH AUSTRALIA

1'•11 !-,.111111 n A~n•

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Ye Radio Hams-Read This l,.J;tr , Crom Ltlt r A. u ~ LI. , L J .. , I f M11u

n•II 11(,,.. of II l1:1>u1lr1>, fllll nill• fro,n Ry,111~1.

'JJ4 r Mr ,.. t II u, I h , puc. t! llJ r~• \ ,t !I throuli,!h &;TU••ll1n~ •nt 1-'i,r dlil 1t.>m•y. t , Lwo [ have , c•re ne:rrly

pproach the 11ld udiohnn lh&11 a,ny dt t ctilr l h4Vt' W!lt•d.. Usl.ns: ,nr. Mlt'ra' \ah,. YlS rul V]\ cw h u rd all (l\er thn ro 1, \"\\' 11( II t J Jtto1, 1• 11 f)( 1 ,rtl II th 1lnl{I \:&Ilic,

Yon all kno" Mr Ward•tL aa one of lh• le•dln1 uperi menters of Australla.. And we have other letters from prom!llent nm ,telll'll who nrc &ottlng grut rCllnlt..• from th~!r M'ylTll' Tnb-. We have them alW~Yl' In ,todt.

R a di o H ouse 6 19 George Street

Vol~ \ ~u Locu t •on 4 Door., B~lou Ou, Old Ac/J,.H



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QUEEN SL.<\ SD \,II 19

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QUESTIONS \1· •~II ,1111 ·d I,\ I I l'

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Question Coupon 1, /11/i 1, ,rr .. 11 1:,111 ..

AVAILABLE TILL 29·5·23

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VALVE CONTROL PANEL Th,._ ,1111plf' cmJ ,!.Xlrt!mt.•1 dli1 if'ut l..t.tlle lrutrnnat•nt 1!1 :1

1, 11 tn all O"-Ut'tta 4)f cryatul 1hite Lor 11:tll, \\'ltL \t, • tgnule n l 1rnpro,t'rl trt1 it•ntlnu•lr n,t r•nrtlrulurl! telPpbont• bron1J

L1ni: It 111RkP~ a tr~-..tn1 ctet+:>dor oulfiL int.1 a ,~\·tt

\\atl1 all o( at• 1uh ur,t~t!!'I, t'omptetl" 1lln~t iou)I ure fuTt111l1 v.ttft r:a II \ahc., C'<nlrll I Anti, wh1rh r.nH tta•lily hn honk{lld to n,· 1·r}ilt:al or \ ah-c s.-t, B "'' whh b Dlt"8..JUr~ .. oah 5 l '

1--t i111h!):I as 1ut b1k"lltt wnh oh•kC!l phtlc l hult, .. 111u kit, r 1111 h1n Hi J•t 1t1-. '-in1J withoi.Jt holh

-30/- each. It Stands Alone

The Colv;Ue-Moore W~reless Suppl~es t O ROWE STREET, SYDNEY

WE SEND GOODS (PU VALtJl: PAYABLE POST).

Just a Real 6ooa Car

AUTOMOBILES LIMITED 207 Castlereagh Street, Sydney.

QUALITY RADIO \\"1nter :-;ea,ttJli ur .. the b.esl tor Radio Rert1ptio• ~

:iecurtt your S4'1 botoro tho 1ea,o.n u..rrivee

WE HTOl'K CO.Mf'U:TE HETH OR P ARTS TO Bt:lLD ¥ OUR OWN,

13.T IT. f:nglll h llnl,clan,r, 35 ; A mphtylus 15/ ; a.ad Trnn~mlltiol,' ,alve•, 40/•; R••d Seto 2000 lo 8000 ohm1. ; Cryolul Seu romplete w ith 40U0 ohln1. • llead Sl'I, £!.. '

SEXD FOR P RICE LIST TO

W. HARRY WILES, Radio Department,

60-62 GOULBURIII STREET, Oue door from Pm Su-001.

SYDNEY.



3 Coil Valve Set Complete

11•,ch A " <.I: • B Batu)f'it•s Phnm>s. Etc, Rerulp rn "li.~t('n in., on

THAT A.CHUM Amateur Transmitters We have fixed Condensers from

I m£. to 20 mfs, prices from 2,6. Smoothing-out Chokes and all requirements. When designing your Transmitter consult us.

\Ve are arranging Wireless Telephone Demon11trations to show what our 'lets will do.

You can instal a complete Wireless Receiving Set m your home for .£14 14 0.

Consult us for advice and all particulars in Wireless Matteu.

Radio Company 1 18 Elizabeth Street

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