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Features

"The Dollar Medical Shop"

Government Investigation of the Bell Patents

Night Sky-October and November - 1885

By Richard A. Proctor

An Improved Carpet Stretcher

Fire Escape

Egg Register and Tester

Bag Holder for Trucks

An Improved Keyhole Guard

Some Old Warwick Houses

The Relation of Domestic Chimneys to the Construction of Roofs

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

Agricultural Inventions - November 7, 1885

Miscellaneous Inventions - November 7, 1885

Engineering 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

  • Index of Inventions - November 7, 1885

  • Notes and Queries - November 7, 1885

  • Patents

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November 07, 1885

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