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Features

The Maxim Machine Gun

Criminal Ignorance

Belt Material

Gold Leaf

Pulleys and Gears

A Basic Metal

Experiments on Superheating as a Cause of Boiler Explosion

The Pneumatic Telegraph Line at Paris

Improved Refrigerating Cars

Patent Drawers

Composite Mica Sheet

Some Specimens of Fine Cattle

Miscellaneous Inventions - December 13, 1884

Engineering Inventions - December 13, 1884

Agricultural Inventions - December 13, 1884

Departments

  • Recommended

    New Books and Publications - December 13, 1884

  • Departments

    Notes and Queries - December 13, 1884

  • Business and Personal - December 13, 1884

  • Index of Inventions - December 13, 1884

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December 13, 1884

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