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Features

Lenses

The American Way

Recent Industrial Progress

The Proposed Panama Ship-Railway

The American Science Association

Lift Locks and Locking-Time

Rapid Photographing

The Commissioner of Patents in a Dilemma

Curing Beef by Injecting Brine

The Red Spider on Roses

Drying Machines

A New Metallic Thermometer

Engineering Inventions

Self-Laying Tramway

Mechanical Inventions

Recent Agricultural Inventions

Novel Device for Transmitting Motion

A New Press

New form of Electric Lamp

The Greenland Whale and the Grampus

Miscellaneous Inventions

An Ascent of the Volcano of Agua, Central America

Communications Received

Departments

  • Departments

    Correspondence

  • Notes and Queries

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

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