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Previous Issue: New Series, Vol. 94, No. 2450, Dec. 12, 1941
Next Issue: New Series, Vol. 94, No. 2452, Dec. 26, 1941
Front Matter (15 pp.)
Science and National Defense, pp. 571-574
- Vannevar Bush
Atmospheric-Electric Disturbances Accompanying the Bright Auroras of March 25, 1940, and September 18, 1941, pp. 574-578
- Harlan T. Stetson
Obituary
- Walter Mathew Dunagan: May 23, 1894-November 24, 1941, pp. 578-579
- Herbert J. Gilkey
Scientific Events
- Child Endowment in Australia, p. 579
- The Fourth Constitutional Convention of the Congress of Industrial Organizations, pp. 579-580
- Fellowships in the Medical Sciences of the National Research Council, p. 580
- United States Civil Service Examinations, p. 580
- Award of the Charles P. Daly Gold Medal of the American Geographical Society, pp. 580-581
Scientific Notes and News, pp. 581-584
Discussion
- On the Precision of Estimates from Systematic Versus Random Samples, pp. 584-585
- James G. Osborne
- Extra Strong Heliotropic Effect of Neon Lights, pp. 585-586
- Cyrus N. Ray
- Color Systems, p. 586
- D. H. Hamly
- Reprints for European Laboratories, p. 586
- Chauncey D. Leake
Quotations
- A Metonic Span in the Work of the Carnegie Corporation, pp. 586-587
- Progress at the Massachusetts Institute of Technology, pp. 587-588
Scientific Books
- Franklin's Experiments, pp. 588-589
- Benjamin Franklin's Experiments
- I. Bernard Cohen
- Review author[s]: W. F. Magie
Special Articles
- The Extraction of Biotin from Tissues, pp. 589-590
- Roy C. Thompson; Robert E. Eakin; Roger J. Williams
- Flies as Carriers of Poliomyelitis Virus in Urban Epidemics, pp. 590-591
- Albert B. Sabin; Robert Ward
Scientific Apparatus and Laboratory Methods
- The Use of Mercury in Contact with Ammonia, pp. 591-592
- Richard G. Roberts
- A Technique for the Electron Microscopic Examination of Encapsulated Bacteria, p. 592
- Evelyn A. Kregel; John W. Appling; Bernard F. Shema; George R. Sears
Books Received, p. 592
Science News, pp. 14a+16a
Previous Issue: New Series, Vol. 94, No. 2450, Dec. 12, 1941
Next Issue: New Series, Vol. 94, No. 2452, Dec. 26, 1941