Water for an Army
Successful Hygienic Work of Great Importance
Features
Electrical Meter Testing in Germany
Rubber-Seed Oil
Wonderful Exhibition of Old French Silks
Glories of Color Revealed in Ancient Fabrics, Product of the Lost Art of Exiled Huguenots
German Commercial Trickery
Growth in Grey Cast Iron
Atlantic Flight
A Matter of Mathematical Analysis
Plant Growth and Reproduction
Intensive Prune Cultivation under way in France
The Raleigh Tercentenary
Non-Inflammable Plastic Material
The Macoa indians of Venezuela—III
An Expedition Among a Little Known but Ancient Race
Some Peculiar Thermoelectric Effects
The Marbles of Italy
The 34 Supermagic Square
Mathematical Recreations of Ancient Origin
Molecular Orientations in Physics and in Crystallography—II
A New Hypothesis in the Investigation of Matter
