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Features

Improved Fire-Extinguishing Apparatus for Vessels

About Gravestones

Drunk or Diseased?

Blue Glass Blindness

Helping Inventors

Lightning Rods

Improved Calf Muzzle

Improved Horse Boot

Improved Diagonal Planing and Polishing Machine

Practical Mechanism

By Joshua Rose

Communications

The New Grain Elevator in New York City

The Hellgrammite

By C. V. Riley

Decisions of the Courts

New Agricultural Inventions

Recent American and Foreign Patents

New Woodworking and House and Carriage Building Inventions

New Textile Invention

New Miscellaneous Inventions

New Mechanical and Engineering Inventions

Communications Received

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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June 23, 1877

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