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SA Supplements Vol 10 Issue 251supp

SA Supplements

Volume 10, Issue 251supp

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Features

The Relations of Cheap Patents to Industrial Prosperity

The India-Rubber and Gutta Percha Industries

Vulcanization of India-Rubber

Thomas Bolas

Measuring the Wear of Rails

The Canadian Pacific Railway

The Cape Cod Canal

Care of Heating Apparatus

A Ship Canal across Cape Cod

Becker's Automatic Fricton Brake

Swansea and its Neighborhood

On Gas Generating Furnaces

F. Lurmann

The Telephone Convention

American Manufacturers in Australia

A Year's Operations of the British Post Office

Induction in Telephone Lines

J. W. Urquhart

Scheibler's Calcimeter

H. Pellit, J. Salleron

Typhoid Fever

Austin Flint

New Treatment for Typhoid Fever

Modern Scientific Medicine

The Relative Illuminating Value of the Hydrocarbon Vapors and Gaseous Hydrocarbons Present in Coal Gas, and their Quantitative Determination

G. Ernest Stevenson

Explosions by Freezing

Ancient Remains in a Pennsylvania Cave

A Viking's Ship