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Features

Amendment of the Patent Laws

American and British "Pirates"

An Improved Electric Bell

Electric Lighting of the Great Eastern

An Improved Electric Circuit Closer

Making Insulated Wires for Electrical Uses

A Chair for Out-Door Use

An Improved Car Replacer and Portable Switch

A Pipe Coupling for Kitchen Boilers

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

    Notes and Queries - February 25, 1888

  • Business and Personal - February 25, 1888

  • Index of Inventions - February 25, 1888

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February 25, 1888

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