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Features

American Industries.--No. 58

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

The Philadelphia Sheep and Wool Show

Organic Matter in the Air

Origin of the Merino Sheep

The Unicorn

Progress of Cotton Seed Oil Manufacture

Insecticides for the Protection of Cotton

By C. V. Riley

Maxim's New Focusing Electric Lamp

Engineer and Inventor

Machine for Ornamenting Metal Surfaces

Engineering Inventions

New Sheep Protector

Agricultural Inventions

A New Combined Barometer and Thermometer

A New Road Wagon

Mechanical Inventions

New Sash Holder and Fastener

A Marine Community

By A. W. Roberts

The King Penguin

On Some Impurities of Drinking Waters

Communications Recieved

Departments

  • Departments

    Recent Inventions

  • New Inventions

  • Correspondence

  • Notes and Queries

  • Index of Inventions

  • Business and Personal

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October 16, 1880

Confronting Common Wisdom