Agriculture, Manufactures and Railways
A Study of Capital Values and Net Returns of three Important Industries
Volume 75, Issue 1935supp
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Features
Plants Venomous to the Touch
Action of Acids on Concrete
One Hundred Thousand Photographs per Second
High-Frequency Electric Sparks Used as a Source of Intermittent Light by the Berlin Correspondent of the Scientific American
Green Vegetables and their uses in the Diet
Power Census of the United States
Ninety Per Cent of the Total Power Produced by the Consumers Themselves
Hardening Liquid Fats by Hydrogenation
Solid Products from Oils
Delhi, the Metropolis of India
How Shall the New Indian Capital Be Built
Micro-Organisms of the Soil
Co-operation of Biologist, Chemist and Physicist Needed in the Study of this Subject
Silk-Cottons
Economic Products from Tropical Trees
The Palette of the Illuminator from the Seventh to the end of the Fifteenth Century
Cellular Structure in Liquid Films
A Peculiar Effect Produced by Heat by the Paris Correspondent of the Scientific American
The Hardness of Coins
The Blow of the Die Renders the Surface Specially Resistant, While the Interior of the Coin Remains Softer
The Electric Arc Headlight for Locomotive
Its Advantages and Disadvantages