Bacteria in Antarctica
Various Species found in Snow and Ice, and their Origin
Volume 86, Issue 2233supp
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Features
“Doubling” of Crocuses and Daffodils
Theory of Action of Sand Filters
Protection against Aircraft
Coal and the Cult of the Skin
Water Power in Germany
Nitric Acid from Nitrogen Oxide
A Fifty-Year Retrospect
Of Naval Marine Engineering in the United States
Chilling and Case Hardening
Collecting Barbed Wire by Machine
How things Break—I
A Study of the Mechanism of Fractures in Materials
Mechanism of Development of the Image in a Dry Plate Negative
Bacteriology of the “Spanish Influenza”
X-Rays and the War
Winged Victory
Mercury Production
Luminous Rockets and Bombs
Devices for Throwing Light on Hostile operations
The use and Abuse of Steel
Utilization of Rotten Potatoes in the Manufacture of Starch
The Low Temperature Carbonization of Coal
A Review of its History, Theory and Practice