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American Industries.--No. 58

The Manufacture of Non-Conducting Coverings for Steam Pipes, Boilers, etc.

Organic Matter in the Air

The Philadelphia Sheep and Wool Show

Origin of the Merino Sheep

Insecticides for the Protection of Cotton

By C. V. Riley

The Unicorn

Progress of Cotton Seed Oil Manufacture

Engineer and Inventor

Maxim's New Focusing Electric Lamp

Engineering Inventions

New Sheep Protector

Machine for Ornamenting Metal Surfaces

Agricultural Inventions

Mechanical Inventions

A New Road Wagon

A New Combined Barometer and Thermometer

New Sash Holder and Fastener

A Marine Community

By A. W. Roberts

The King Penguin

On Some Impurities of Drinking Waters

Communications Recieved


  • Departments

    Recent Inventions

  • New Inventions

  • Correspondence

  • Index of Inventions

  • Notes and Queries

  • Business and Personal

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October 16, 1880

20% Sitewide for President's Day