Volume 47, Issue 1224supp
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Features
Into the Heart of China
The Elephant and his Ancestors
The “Wourali” Poison and its Uses
Hygienic Camps
Notes on the Abyssinians
Engineering Notes
Selected Formulæ
Miscellaneous Notes
Trade Suggestions from United States Consuls
Mountain Water Courses as Industrial Aids
The White Mineral Press
A New Battery
Combined Engine and Blower
The Commercial Development of Germany
Graphite: Its Formation and Manufacture
Early History and Recognition