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Features

The Manufacture of Photographic Apparatus

Problems in Economics

Summer Study for City Children

A Carriage and Wagon Brake

An Improved Window Shade

A Hand Crimping Tool

A Swinging Seat for Agricultural Implements

An Automatic Life Guard for Cars

The Electrical Conduit System in New York City

Electric Light Plant Steamer Bay State

Automobile Carriages

The North Sea Ship Canal

Departments

  • Letters

    Correspondence - July 20, 1895

  • Recommended

    New Books and Publications - July 20, 1895

  • Departments

    Recently Patented Inventions - July 20, 1895

  • Business and Personal - July 20, 1895

  • To Inventors - July 20, 1895

  • Index of Inventions - July 20, 1895

  • Notes and Queries - July 20, 1895

  • Patents - July 20, 1895

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July 20, 1895

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