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Features

The Celestial World

The Magazine Gun as a Military Arm

Steam Cruiser Atlanta, U. S. N.

Beet Sugar Manufacturing Processes

Improved Shuttle Cushioner for Power Looms

Carrier for Ash Pans

A Night Sight for Ordnance

Device for Detaching Horses from Vehicles

Improved Camera Shutter

The Hudson River Tunnel

A Self-Cleaning Metal Valve

New Armored Cruiser for the Spanish Navy

A Large Casting

The Berdan Torpedo Boat

James Dwight Dana

By Marcus Benjamin

Science in Toys

X

Polarized Light

By Geo. M. Hopkins

Miscellaneous Inventions - May 21, 1887

Special - May 21, 1887

The Test by Results

Engineering Inventions - May 21, 1887

Agricultural Invention - May 21, 1887

To Inventors - May 21, 1887

Departments

  • Recommended

    New Books and Publications - May 21, 1887

  • Departments

    Business and Personal - May 21, 1887

  • Notes and Queries - May 21, 1887

  • Index of Inventions - May 21, 1887

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The Essential Guide to the Modern World

The Essential Guide to the Modern World