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Science, New Series, Vol. 75, No. 1933, Jan. 15, 1932


Previous Issue: New Series, Vol. 75, No. 1932, Jan. 8, 1932
Next Issue: New Series, Vol. 75, No. 1934, Jan. 22, 1932


Front Matter (2 pp.)


Thomas Alva Edison
An Appreciation of Mr. Edison Based on Personal Acquaintance, pp. 59-65
Charles L. Edgar
Edison's Contributions to Science and Industry, pp. 65-68
F. B. Jewett
Edison as a Scientist, pp. 68-70
Robert Andrews Millikan
Edison's Laboratory in War Time, pp. 70-71
Karl T. Compton


Obituary
Samuel Mather, pp. 71-72
Torald Sollmann
Memorials, pp. 72-73
Theo. C. Zschokke; E. H. Bryan; F. G. Krauss
Recent Deaths, p. 73


Scientific Events
Italian Professors and the Fascist Government, p. 73
Mineral Research Program of the Illinois Geological Survey, pp. 73-74
The Journal of Cellular and Comparative Physiology, pp. 74-75
The Non-Resident Lecturer in Chemistry at Cornell University, p. 75


Scientific Notes and News, pp. 75-78


Discussion
A Possible Means of Cutting down the Mosquito Population, pp. 78-79
Elihu Thomson
The Need for a New Experimental Approach in Immunology, pp. 79-80
Theodore J. Curphey; Herman B. Baruch
Rumbling Clouds and Luminous Clouds, pp. 80-81
John Zeleny
Entoptic Colors, p. 81
Elmer F. Way
The Prevention of Convulsions, p. 81
E. J. Sheehy


Societies and Meetings
The Texas Academy of Science, pp. 81-82
H. B. Parks


Scientific Apparatus and Laboratory Methods
A Simple Suspended Mirror Seismograph, pp. 82-83
Benjamin Allen Wooten
Apparatus for Taking Water Samples from Different Levels, pp. 83-84
J. Arthur Reyniers


Special Articles
Regeneration in Bryophyllum, pp. 84-85
John A. Yarbrough
A New Plant Source of Vitamin A Activity, pp. 85-86
D. H. Cook; Joseph Axtmayer
A Note on the Effect of Ultra-Violet Light on the Vitamin A of Butter, p. 86
Chas. L. Shrewsbury; H. R. Kraybill


Books Received, p. 86
Science News, pp. 8a+9a+10a

Previous Issue: New Series, Vol. 75, No. 1932, Jan. 8, 1932
Next Issue: New Series, Vol. 75, No. 1934, Jan. 22, 1932



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