Back MatterSource: The Scientific Monthly, Vol. 70, No. 6 (Jun., 1950), pp. ix-xiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/20192 .

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Developments by RCA scientists have made Television part of family life in homes of all incomes.

I) h/tse 6, k/Z&71i,Vo fore pvrses

Remember whe n television how to replace complex parts with was "just around the corner," less costly, and more efficient ma- and guesses at receiver cost terials. A third contribution was ranged to thousands of dollars? the use of versatile multiple-pur-

pose tubes-so that one could do 3 Came reality, anad pessim-ists tewr fsvrl were wrong. Home television

Most important, the savings effected sets were reasonable, have by RCA scientists have been quickly grown more so year by year. passed on to you, the consumer. RCA

One factor has been research Laboratories is a great center of radio, at RCA Laoratories In 1949, television, and electronic research. It is

indeed an institution which fits RCA RCA scientists perfected the glass- prodct ino more purse and-metal picture t-ube-so adapt- able to mass prodtuction that sav- See the latest in radio, television, and ings of 30% in tube cost were electronics at RCA Exhibition Hall, 36 made. Again, these scientists and West 49th Street, N. Y. Admission is free. Radio Corporation of America, New RCA Victor 16-inch home televi- development engineers learned RCA Building, Radio City, N. Y. sion receiver, a leader in the 1950 line.

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ix

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t-- Meetingis June 2. Armed Forces Chemical Association. Cavalier

Hotel, Norfolk, Va. June 4-9. National Confectioners Association. Waldorf-

Astoria Hotel, New York. June 4-9. Society of Automotive Engineers (Summer).

French Lick Springs Hotel, French Lick. June 6-17. Mechanical Handling Exhibition. Olympia,

London. June 7-9. American Institute of Chemical Engineers.

Boston. June 8. Chemical Market Research Association (Annual).

Hotel Roosevelt, New York. June 8-9. American Management Association. Hotel

Statler, New York. June 9-10. American Chemical Society (Regional). Rich-

land, Wash. June 11-15. American Electroplaters' Society (Annual).

Hotel Statler, Boston. June 12-13. Chemical Specialties Manufacturing Asso-

ciation. Drake Hotel, Chicago. June 12-14. National Fertilizer Association (Annual).

Greenbrier Hotel, White Sulphur Springs, W. Va. June 12-16. American Institute of Electrical Engineers

(Summer and Pacific). Huntington Hotel, Pasadena. June 12-16 American Society of Mechanical Engi-

neers, Oil and Gas Power Division. Lord Baltimore Hotel, Baltimore.

June 12-16. American Society of Mechanical Engineers Fourth National Materials Handling and Exhibit. In- ternational Amphitheatre, Chicago.

June 12-16. Special Libraries Association (Annual). Chalfonte-Haddon Hall, Atlantic City.

June 12-17. Molecular Symposium. Ohio State Univer- sity, Columbus.

June 14-16. American Malacological Union (Annual). Natural History Museum, Chicago.

June 15-17. Division of Colloid Chemistry, ACS, Colloid Symposium. St. Louis.

June 16-17. Division of Analytical Chemistry, ACS, and Analytical Chemistry (Annual Symposium) . Ohio State University, Columbus.

June 17-19. Division of Medicinal Chemistry, ACS (Symposium). Notre Dame University, Notre Dame.

June 19-20. Manufacturing Chemists Association (An- nual). Hotel Monmouth, Spring Lake, N. J.

June 19-21. Division of Physical and Inorganic Chem- istry, ACS (Symposium). University of Minnesota, Minneapolis.

June 19-22. Chemical Institute of Canada (Annual). Royal York Hotel, Toronto.

June 19-23. American Society for Engineering Educa- tion (Annual). University of Washington, Seattle.

June 19-23. American Society of Mechanical Engineers (Semiannual). Hotel Statler, St. Louis,

June 19-24. American Association for the Advancement of Science (Pacific Division). Salt Lake City.

June 19-24. Canadian Gas Association (Annual). Manoir Richelieu Hotel, Murray Bay, Quebec.

June 20-2 2. American Dairy Science Association (An- nual). Cornell University, Ithaca.

June 21-23. American Meteorological Society. Salt Lake City.

June 21-24. American Physical Society. Mexico, D. F. June 22-23. American Council of Commercial Labora-

tories, Cleveland. June 22-24. American Society of Mechanical Engineers

(Applied Mechanics). Purdue University, Lafayette, Ind.

June 24-25. American Society for the Study of Sterility. Sir Francis Drake Hotel, San Francisco.

June 25-29. Forest Products Research Society (Annual). Portland, Ore.

June 26-30. American Petroleum Institute. Brown Palace Hotel, Denver.

June 26-30. American Society for Testing Materials (An- nual). Chalfonte-Haddon Hall, Atlantic City.

June 26-July 21. Society of Industrial Designers and Lehigh University Product Design Seminar. Bethle- hem, Pa.

June 27-30. Agricultural Institute of Canada. Charlotte- town, Prince Edward Island.

June 28-30. Heat Transfer and Fluid Mechanics Insti- tute. University of California, Berkeley.

June 29-July 2. American Plant Food Council, Home- stead, Hot Springs, Va.

July 2-6. International Microchemical Congress. Graz, Austria.

July 10-14. Society of Chemical Industry (Annual). Newcastle-on-the-Tyne, Eng.

July 12-14. American Society of Civil Engineers (Sum- mer). Toronto.

July 17-22. International Congress for Scientific Re- search. The Sorbonne, Paris.

Aug. 7-19. International Trade Fair. Navy Pier, Inter- national Amphitheatre, Coliseum, and Arena, Chicago.

Aug. 14-16. Society of Automotive Engineers (West Coast). Biltmore Hotel, Los Angeles.

Aug. 14-18. National Association of Power Engineers. Hotel Jefferson, St. Louis.

Aug. 28-31. Metal Mining Convention and Exposition. Fairgrounds, Salt Lake City.

Aug. 30-Sept. 6. Congres International de Mathema- tiques. Cambridge, Mass.

Sept. 5-9. National Chemical Exposition. Coliseum, Chicago.

Sept. 10-13. American Institute of Chemical Engineers (Regional). Minneapolis.

Sept. 11-15. American Society of Mechanical Engineers (Industrial Instruments and Regulators Conference with the Instrument Society of America). Municipal Auditorium, Buffalo. N. Y.

Sept. 13-15. National Petroleum Association. Hotel Tray- more, Atlantic City.

Sept. 17-20. First International Congress on Diseases of the Chest. Carlo Forlanini Institute, Rome.

Sept. 25-27. American Society of Mechanical Engineers (Petroleum Mechanical Engineering Division). Hotel Roosevelt, New Orleans.

Oct. 2-6. American Gas Association (Annual). Atlantic City.

Oct. 3-5. American Institute of Electrical Engineers (1950 District #2). Baltimore.

Oct. 4-12. International Congress of Psychiatry. Paris. Oct. 11-13. American Society of Civil Engineers (Fall).

Chicago. Oct. 16-18. National Metal Trades Association. Waldorf-

Astoria, New York. Oct. 16-20. National Safety Congress (National Safety

Council Exposition). Chicago. Oct. 23-27. American Institute of Electrical Engineers

(Midwest). Oklahoma City. Nov. 13-16. American Petroleum Institute (Annual).

Los Angeles. Nov. 26-Dec. 1. American Society of Mechanical En-

gineers (Annual). Hotel Statler, New York. Nov. 27-Dec. 2. 19th Exposition of Power and Mechani-

cal Engineering. Grand Central Palace, New York. Dec. 3-6. American Institute of Chemical Engineers (An-

nual). Columbus Ohio. Dec. 26-31. American Association for the Advancement

of Science (Annual). Hotel Statler, Cleveland.

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New Books Received A History of Biology (rev. ed.). Charles Singer. xxxv d

579 pp. Illus. $5.00. Schuman. New York. 1950. Grassland Historical Studies: Natural Resources Utiliza-

tion in a Background of Science and Technology. James C. Malin. xii + ?) 77 pp. Illus. $2.50. Publ. by the author. Lawrence, Kans. 1950.

Carnegie Institution of Washington, Year Book No. 48, xxxvi + 258 pp. Illus. Lord Baltimore Press. Baltimore. 1949.

The Centennial of the Sheffield Scientific School. Georgc A. Baitsell, Ed. xiv + 206 pp. Illus. $3.00. Yale Uni- versity Press. New Haven. 1950.

Physiology of Heat Regulation and the Science of Cloth- ing. L. H. Newburgh, Ed. viii + 457 pp. Illus. $7.50. Saunders. Philadelphia. 1949.

Toward a Science of Human Behavior. Mark A. May. v + 93 pp. Illus. Yale University. New 'Haven. 1950.

The Story of Silk. William F. Leggett. xiv + 361 pp. $5.00. Lifetime Editions, New York. 1949.

Threshold Signals. James L. Lawson and George E. Uhlenbeck, Eds. xii + 388 pp. Illus. $5.00. McGraw- Hill. New York. 1950.

Functional Operators. John Von Neumann. 261 pp. $3.50. Princeton University Press. Princeton. 1950.

Social Anthropology. J. S. Slotkin. xviii + 604 pp. Illus. Macmillan. New York. 1950.

Quality Control and Statistical Methods. Edward M. Schrock. xi + 213 pp. Illus. $5.00. Reinhold. New York. 1950.

Pulses and Transients in Communication Circuits. Colin Cherry. xvi + 317 pp. Illus. $3.95. Dover Publ. New York. 1950.

Dissociation Energies and Spectra of Diatomic Molecules. A. G. Gaydon. vii+239 pp. Illus. $3.95. Dover Publ. New York. 1950.

The Meaning of Relativity (3rd ed.). Albert Einstein. 150 pp. Illus. $2.50. Princeton University Press. Prince- ton. 1950.

Elements of Analytic Geometry (3rd ed.). Clyde E. Love. xii + 218 pp. Illis. $2.75. Macmillan. New York. 1950.

Practical Physics. Sir Cyril Ashford. xii + 173 pp. Illus. $1.75. University Press. Cambridge, Eng. 1950.

The Fundamentals of Detergency. William W. Niven, Jr. v + 256 pp. Illus. $5.50. Reinhold. New York. 1950.

Recent Advances in Radio Receivers. L. A. Moxon. ix + 183 pp. Illus. $3.75. University Press. Cambridge, Eng. 1949.

Progress in Biochemistry. Felix Haurowitz. xii + 405 pp. Illus. $7.50. Interscience Publ. New York. 1950.

Siphonaptera from Central America and Mexico. Robert Traub. 127 pp. 54 Plates. $4.00. Chicago Natural His- tory Museum. Chicago. 1950.

Introduction to the Theory of Statistics. Alexander M. Mood. xiii + 433 pp. :Illus. $5.00. McGraw-Hill. New York. 1950.

Theory of Sets. E. Karnke. vii + 152 pp. Illus. $2.45. Dover Publ. New York. 1950.

Applied Sedimentation. Plarker D. Trask, Ed. xi + 707 pp. Illus. $5.00. Wiley. New York. 1950.

Plant Disease Handbook, Cynthia Westcott. xii + 746 pp. Illus. $7.50. Van Nostraand. New York. 1950.

Engineering Structures. A. G. Pugsley and D. R. Rex- worthy, Eds. viii + 260 pp. Illus. Academic Press. New York. 1949.

Science in Education. M. C. Nokes. xii + 158 pp. 8/6. Macdonald. London. 1949.

Analysis and Design of Experiments. H. B. Mann. x+ 198 pp. $2.95. Dover Publ. New York. 1949.

Electronics. Ralph R. W'right. ix + 387 pp. Illus. $5.50. Ronald. New York. 1950.

On Being Human. Ashley Montagu. 125 pp. $1.95. Schuman. New York. 1950.

HYDROGEN in CHEMICAL ATOMS Analysis of Spectra from Li I to 0 VII.

by WILLIAM MAYO VENABLE, M.S., C.E., Consulting Engineer, Blaw-Knox Company. This book discusses the spectra of six chemical

elements, beginning where the ordinary methods of classification stop. All of the available data evalu- ated by others are used with data derived from the analysis of the many-lined spectra of hydrogen and helium, which hitherto have not been used in atomic spectrum analysis. It is found that hydrogen con- tributes to spectra of first, second and third orders of all the elements discussed. A necessary conclusion is that hydrogen from some source must be present in the excitation tube in which these spectral lines are excited.

It is shown that some chemical element other than hydrogen in the chemical state must be the source of the hydrogen which contributes to these "atomic" spectra. The analyses indicate that lithium, nitro- gen and oxygen liberate hydrogen when excited in the arc or spark, but that beryllium, boron and car- bon do not liberate hydrogen.

160 pages, cloth bound, $4.00 per copy, postage paid in the U. S.

Markowitz, Haas and Kopelman o 816 Ivy St., Pittsburgh 32, Pa., U. S. A.-

The DICTIONARY of

PHILOSOPHY Edited by DAGOBERT D. RUNES

with the collaboration of 70 eminent scholars. "By far the most authoritative book of its kind." -Prof. Karl Jaspers. $6.00 PHILOSOPHICAL LIBRARY, Publishers

15 East 40th St., Dept. D, N. Y. 16, N. Y.

Have you seen the big 1950 Spring Book Issue of

Science? * In lead articles Kirtley Mather reports on "United Nations Research Laboratories," Eric Rogers presents a lively discussion of "The Chaotic University," and Jack Schultz throws light on the geneticist's theory of plasma- genes. * More than 60 other reviews of outstanding books on physics, mathematics, chemistry, biochemistry, zoology, agriculture, botany, medicine, psychology, and the social sciences.

Send 25q today for your postpaid copy of the Book Issue of Science to:

AAAS 0 1515 Massachusetts Avenue, N.W. Washington 5, D. C.

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AAAS announces two new books to be published in May, 1950

B rucellosis entennial 6 x 9 inches, illustrated, _ 2 x 101 inches, double column, clothbound, clothbound, about 320 pages

about 270 pages Symposia presented to commemorate

This AAAS sym- _E | the first hundred posium volume pre- years of AAAS in-

sents in 24 papers clude 42 papers by a comprehensive leading scientists view of Brucellosis. in thirteen major

fields: The National In- stitutes of Health, Sciences of Society the U. S. Depart- Educational Po-

ment of Agricul- tentials and the Na- ~~~~~~~~~~~~Human Indi-

ture, and the Na-viduality tional Research _ _ | Food and Nutrition Council who co- Housing sponsored the ver- World Health bal presentation of Problems

these treatises, suc- ceeded in obtaining _ Sources of Energy as contributors pio- The Upper Atmos-

neers in this com- phere

paratively new The World's Natu- ral Resources

field. Genes and Cyto- plasm

High Polymers

BRUCELLOSIS merits the attention of Interand Matter and every physician, agricultural scientist, and Radiation chemist. Waves and

Rhythms

Your library will be enriched because - of the scientific and historic value of

Cash price to AAAS members $3.50 this unique symposium volume. Nonmembers and institutions $4.00 Cash price to AAAS members $4.50

Nonmembers and institutions $5.00

Note: Members may use the special prices only for

prepaid orders and for one copy of each publication.

AAAS, 1515 Massachusetts Avenue, N.W., Washington 5, D. C. Enclosed find my check or money order in the amount of $ ...........

for ........ copies of Brucellosis . ........ copies of Centennial.

Name ......... . . ...

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_________________________ City ............ Zone . State.

xii

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