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Improved Railroad Grader

The American Exhibit at the Coming Paris Exposition

The Properties of Light and Color

Singular Explosion of an Electrical Machine

Adjusting Connecting Rod Brasses

The Great Suspension Bridge Between New York and Brooklyn

The Engineers' Examination of the Niagara Suspension Bridge

A New Soda-Carbonating Apparatus

A Screw Snow Plow

Photographer's Retouching Desk

The Propagation of Nerve Excitements

Improved Grain Sampler


New Mode of Stopping Leaks in Boiler Tubes

A New Perfume Bottle

Adee's Improved Trap

Robertson's Cradle Attachment for Bedsteads

The City of Florence, Italy

Decisions of the Courts

New Miscellaneous Inventions

New Agricultural Inventions

Recent American and Foreign Patents

New Textile Invention

New Woodworking and House and Carriage Building Inventions

Communications Received


  • Departments

    New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

  • Patents

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April 14, 1877

20% Sitewide for President's Day