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Features

Disease Germs in Milk

Production of Iron and Steel in America

Heavy Ordnance for Coast Defense

Improved Cultivator

Switch Stand

Rubbing Machine

Rotary Engine

Platform Spring for Vehicles

Cracker Box Cover

Levesque's Diplograph

Improved Steam Heater

The Statue of Liberty Nearing Completion

The Great Log Jam in the St. Croix River

By H. C. Hovey

The Formation and Fixation of Magnetic Curves

By Geo. M. Hopkins

The Occurrence and Fabrication of Rock Crystal

A Hammerless Breech-Loading Gun

Rain Water Filter

Device for Controlling Locks on Railway Cars

A Wrench with Lift Cams

Disintegration of Cast Iron by Coal Gas Flame

Experiments in Sound

By T. O'conor Sloane

Photographic Notes - August 14, 1886

To Inventors - August 14, 1886

Engineering Inventions - August 14, 1886

Miscellaneous Inventions - August 14, 1886

Departments

  • Letters

    Correspondence - August 14, 1886

  • Recommended

    New Books and Publications - August 14, 1886

  • Departments

    Business and Personal - August 14, 1886

  • Index of Inventions - August 14, 1886

  • Notes and Queries - August 14, 1886

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August 14, 1886

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