Back Matter Source: The Scientific Monthly, Vol. 71, No. 5 (Nov., 1950), pp. xii-xiv Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/20019 . Accessed: 02/05/2014 08:10 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to The Scientific Monthly. http://www.jstor.org This content downloaded from 130.132.123.28 on Fri, 2 May 2014 08:10:25 AM All use subject to JSTOR Terms and Conditions
Transcript
Back MatterSource: The Scientific Monthly, Vol. 71, No. 5 (Nov., 1950), pp. xii-xivPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/20019 .
Accessed: 02/05/2014 08:10
Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp
.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].
.
American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to The Scientific Monthly.
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!r New Books Received X Logical Foundations of Probability. Rudolf Carnap. xvii +
607 pp. $12.50. University of Chicago Press. Chicago. 1950.
Nutrition in Health and Disease. (11th ed.) Lenna F. Cooper, Edith M. Barber, Helen S. Mitchell, and Hen- derika J. Rynbergen. xvii + 744 pp. Illus. Lippincott. Philadelphia. 1950.
Elements of Healthful Living. (2nd ed.) Harold S. Diehl. ix + 330 pp. Illus. $3.00. McGraw-Hill. New York. 1950.
Kinesiology. Laurence E. Morehouse and John M. Cooper. 435 pp. Illus. $4.50. Mosby. St. Louis. 1950.
Amphibians of Western China. Ch'eng-chao Liu. 400 pp. Illus. $7.50. Chicago Natural History Museum. Chi- cago. 1950.
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Electromagnetic Waves. (4th ed.) F. W. G. White. viii + 108 pp. Illus. $1.25. Wiley. New York. 1950.
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Variation and Evolution in Plants. G. Ledyard Stebbins, Jr. xix + 643 pp. Illus. $8.00. Columbia University Press. New York. 1950.
Hydrodynamics: A Study in Logic, Fact and Similitude. Garret Birkhoff. xiii + 186 pp. Illus. $3.50. Princeton University Press. Princeton, N.J. 1950.
Photography in Astronomy. E. W. H. Selwyn. 112 pp. Illus. $2.75. Eastman Kodak Company. Rochester, N. Y. 1950.
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Biology of Drosophila. M. Demerec, Ed. x + 632 pp. Illus. $10.00. Wiley. New York. 1950.
Mid-Century: The Social Impllications of Scientific Prog- ress. John Ely Burchard, Ed. xx + 549. $7.50. Massa- chusetts Institute of Technology. Cambridge. Wiley. New York. 1950.
The Evolution of Scientific Thought. (2nd ed.) A. D'Abro. xx + 481 pp. Illus. $3.95. Dover Publications. New York. 1950.
The Stratigraphy and Archaeology of Ventana Cave, Arizona. Emil W. Haury. xxvii + 599 pp. Illus. $15.00. University of New Mexico Press. Albuquerque. 1950.
Chance and Choice by Cardpack and Chessboard. Vol I. Lancelot Hogben. 417 pp. Illus. $12.50. Chanticleer Press. New York. 1950.
College Biology. William Etkin. xxviii + 806 pp. Illus. Crowell. New York. 1950.
A Symposium on Steroid Hormones. Edgar S. Gordon, Ed. xiii + 396 pp. Illus. $6.50. University of Wisconsin Press. 1950.
The Clinical Use of Radioactive Isotopes. Bertram V. A. Low-Beer. xv + 414 pp. Illus. $9.50. Thomas. Spring- field, Ill. 1950.
Giordano Bruno: His Life and Thought. Dorothea Waley Singer. xi+ 389 pp. Illus. $6.00. Schuman. New York. 1950.
Immortal AMagyar: Semmelweis, Conqueror of Childbed Fever. Frank G. Slaughter. 211 pp. Illus. $3.50. Schuman. New York. 1950.
Freud: Dictionary of Psychoanalysis. Nandor Fodor and Frank Gaynor, Eds. xii + 208 pp. $3.75. Philosophical Library. New York. 1950.
Response of Physical Systems. John Dezendorf Trimmer. ix? 268 pp. Illus. $5.00. Wiley. New York. 1950.
Sir William Osler. Aphorisms from his Bedside Teachings and Writings. William Bennett Bean, Ed. 159 pp. $2.50. Schuman. New York. 1950.
The Chordates. Herbert W. Rand. vi + 862 pp. Illus. $6.00. Blakiston. Philadelphia. 1950.
Botany. R. Darnley Gibbs. xiii + 554 pp. Illus. $6.00. Blakiston. Philadelphia. 1950.
The Philosophy of Religion. William S. Morgan. xv + 413 pp. $6.00. Philosophical Library. New York.
Elements of Human Physiology. (2nd ed.) Miriam Scott LLucas. 357 pp. Illus. $4.75. Lea & Febiger. Philadel- phia. 1950.
TV Installation Techniques. Samuel L. Marshall. 330 pp. Illus. John F. Rider. New York. 1950.
Paiute Sorcery. Beatrice Blyth Whiting. 110 pp. Viking Fund. New York. 1950.
The Ants of North America. William Steel Creighton. 585 pp. + 57 plates. Museum of Comparative Zoology, Harvard College. Cambridge, Mass. 1950.
Reports on Progress in Physics. Vol. XIII. A. C. Stick- land, Ed. 424 pp. Illus. Physical Society. London. 1950.
Contributions to Mathematical Statistics. R. A. Fisher. $7.50. Wiley. New York. 1950.
Conservation of Natural Resources. Guy-Harold Smith, Ed. xii+552 pp. Illus. $6.00. Wiley. New York. 1950.
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The Science of Petroleum. Crude Oils. Vol. V. Part I. Benjamin T. Brooks and A. E. Dunstan, Eds. vii + B +200 pp. Illus. $11.00. Oxford University Press. New York. 1950.
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General Phonetics. R-M. S. Ieffner. xvii + 253 pp. Illus. $7.50. University of Wisconsin press. Madison. 1950.
Mechanism and Evaluation of Antiseptics. Vol. 53, Art. 1. Roy Waldo Miner, Ed. 219 pp. Illus. New York Academy of Science. 1950.
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The Theory and Practice of Industrial Research. David Bendel Hertz. xiii + 385 pp. $5.50. McGraw-Hill. New York. 1950.
Irrigation Principles and Practices. (2nd ed.) Oson W. Israelsen. xii +405 pp. $6.00. Wiley. New York. 1950.
Annotated Bibliography on Sedimentation. (Sedimenta- tion Bull. No. 2.) L. S. Gottschalk, Compiler. 351 pp. $1.25. GPO. Washington, D. C. 1950.
xii
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, ~The SCIENTIFEIC MONTHLY in eooperation with the
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How a whiff of stibine Company's Triangle exchange in Brooklyn, emergency bat- teries stand r eady to deliver
led toward lower telephone costs 3000 amperes for several hours.
In the Bell System there are a million lead storage For stibine is a compound of antimony -
battery cells connected to telephone circuits in and antimony is used to harden the lead grids
the central offices. Current seldom flows in or which serve as mechanical supports for a
out of these cells beyond the trickle which keeps battery's active materials. Tracing the stibine,
them charged. In the rare event of power failure, the chemists discovered that antimony is leached
however, they stand ready to supply the current out of the positive grid and enters into chemical
for your telephone service. reactions which hasten self-discharge and
Even in this stand-by service, cells requir_ shorten battery life.
water to make up for electrolysis. And they con- Meanwhile, in the field of cable sheath re-
sume power and eventually wear out. But Bell search Bell metallurgists had discovered that
Laboratories chemists discovered how to make a calcium could be used instead of antimony to
battery which lasts many more years and requires harden lead. And theory showed that calcium
less attention - by changing a single ingredient, would not react destructively in a battery. The
the clue to which came unexpectedly from an- result is the new long-life calcium-lead batteryI
other line of their research. which cuts battery replacement costs, goes for months without additional water, and needs but
The clue was a minute trace of stibine gas 1/5 the trickle current to keep its charge in battery rooms - detected by electrochemists looking into atmospheric causes of relay contact It demonstrates again how diverse lines of
corrosion. In small traces the gas was harmless research come together at Bell Telephone Labora-
but it gave chemists a useful hint. tories to keep down the cost of telephone service.
BELL TELEPHONE LABORATORIES
Working contittnually to k eep youtr telephone service big in valiue and lotv in cost.
This content downloaded from 130.132.123.28 on Fri, 2 May 2014 08:10:25 AMAll use subject to JSTOR Terms and Conditions
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