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Features

Experiments on Flight

Friction

The Methods of Reducing the Resistance of Friction.

By H. S. Hele-Shaw

Some Type Writers—Their Origin and Uses

By J. B. Huling

Blast Furnace Practice

Indigo Manufacture: An Improved Process

An Iron Microphone

Suggestion about Canceling Postage Stamps

The Blackpool Electric Tramway

The Harcourt Color Tests

By H. Leicester Greville

The Pressure and Composition of Natural Gas

By H. M. Chance

On the Determination of Aluminum in Presence of Large Proportions of Iron

By Robert T. Thomson

Crystallization of Native Copper

Causes of Forest Rotation

By John T. Campbell

Haunts and Habits of the Great Lake Salmon

By G. Archie Stockwell

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January 08, 1887

Think Outside the Gift Box