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Features

Judge Montgomery

Natural Gas in Indiana

By H. C. Hovey

The New Commissioner of Patents

Conduit for Underground Conductors

Warner's Improved Dry Plate Holder

Feed Water Regulator

A Novel Picture Exhibitor

Take-Up and Let-off Mechanism for Looms

Improved Car Coupling

Improved Saddletree and Check-Hook

Sinking the Foundation for the New Harlem River Bridge

A Novel Game Board

The New 110-Ton Gun

Combination Tool for Squaring, Leveling, Etc.

Science in Toys

The Decoration of a Home

Braun's Electro-Dynamic Air Ship

Engineering Inventions - April 16, 1887

Miscellaneous Inventions - April 16, 1887

Agricultural Inventions - April 16, 1887

To Inventors - April 16, 1887

Departments

  • Recommended

    New Books and Publications - April 16, 1887

  • Departments

    Business and Personal - April 16, 1887

  • Notes and Queries - April 16, 1887

  • Index of Inventions - April 16, 1887

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