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Features

Amendment of the Patent Laws

American and British "Pirates"

An Improved Electric Circuit Closer

Electric Lighting of the Great Eastern

An Improved Electric Bell

Making Insulated Wires for Electrical Uses

A Chair for Out-Door Use

A Pipe Coupling for Kitchen Boilers

An Improved Car Replacer and Portable Switch

The Birthplace of James Watt

The Guns of the Benbow

Lewis Muhlenberg Haupt

By C. H. H.

Umbromania

Miscellaneous Inventions - February 25, 1888

Engineering Inventions - February 25, 1888

Special - February 25, 1888

Hearts

To Inventors - February 25, 1888

Departments

  • Recommended

    New Books and Publications - February 25, 1888

  • Departments

    Business and Personal - February 25, 1888

  • Notes and Queries - February 25, 1888

  • Index of Inventions - February 25, 1888

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