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Features

The India-Rubber and Gutta Percha Industries

Vulcanization of India-Rubber

By Thomas Bolas

Measuring the Wear of Rails

The Canadian Pacific Railway

Becker's Automatic Fricton Brake

A Ship Canal across Cape Cod

The Cape Cod Canal

Care of Heating Apparatus

Swansea and its Neighborhood

On Gas Generating Furnaces

By F. Lurmann

American Manufacturers in Australia

A Year's Operations of the British Post Office

The Telephone Convention

Induction in Telephone Lines

By J. W. Urquhart

Scheibler's Calcimeter

By H. Pellit and J. Salleron

Modern Scientific Medicine

Typhoid Fever

By Austin Flint

New Treatment for Typhoid Fever

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

By G. Ernest Stevenson

Explosions by Freezing

Ancient Remains in a Pennsylvania Cave

A Viking's Ship

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    October 23, 1880

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