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Features

A Steam Navvy

Trance

The Limits and Powers of Vision

Volpicelli's New Theory of Electro-Static Induction

The Banian Tree

Manufacture of the Harvey Torpedo

Improved Paper-Pulp Engine

Pneumatic Elevation in Mines

The Secrets of the Mysterious Clocks

A New Lecture Experiment

By E. J. Hallock

A New Method of Secret Writing

Improved Gauge

Improved Ballasting Tube for Vessels

Frost's Variety Self-Centering Chuck

An Artificial Mammoth

An Interesting Marmoset

Decisions of the Courts

Recent American and Foreign Patents

New Woodworking and House and Carriage Building Inventions

New Miscellaneous Inventions

New Mechanical and Engineering Inventions

New Household Inventions

New Agricultural Inventions

Communications Received

Departments

  • Departments

    New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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June 30, 1877

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