Agriculture, Manufactures and Railways
A Study of Capital Values and Net Returns of three Important Industries
A Study of Capital Values and Net Returns of three Important Industries
High-Frequency Electric Sparks Used as a Source of Intermittent Light by the Berlin Correspondent of the Scientific American
Ninety Per Cent of the Total Power Produced by the Consumers Themselves
Solid Products from Oils
How Shall the New Indian Capital Be Built
Co-operation of Biologist, Chemist and Physicist Needed in the Study of this Subject
Economic Products from Tropical Trees
A Peculiar Effect Produced by Heat by the Paris Correspondent of the Scientific American
Its Advantages and Disadvantages
The Blow of the Die Renders the Surface Specially Resistant, While the Interior of the Coin Remains Softer