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Features

Government Investigation of the Bell Patents

"The Dollar Medical Shop"

Night Sky-October and November - 1885

By Richard A. Proctor

An Improved Carpet Stretcher

An Improved Keyhole Guard

Fire Escape

Bag Holder for Trucks

Egg Register and Tester

The Relation of Domestic Chimneys to the Construction of Roofs

Some Old Warwick Houses

Improved Chimney Cap

Photographic Notes - November 7, 1885

Intensifier for Negatives

The New Croton Aqueduct

A New Link Movement for Reversible Engines

The Nordenfelt Submarine Boat

Engineering Inventions - November 7, 1885

Agricultural Inventions - November 7, 1885

Miscellaneous Inventions - November 7, 1885

Departments

  • Letters

    Correspondence - November 7, 1885

  • Recommended

    New Books and Publications - November 7, 1885

  • Departments

    Business and Personal - November 7, 1885

  • Notes and Queries - November 7, 1885

  • Index of Inventions - November 7, 1885

  • Patents

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November 07, 1885

Complex Causes. Alternative Solutions.