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Features

The Color of Ozone

Untimely Snows

The Laws of Cyclones

The Cultivation of the Sumac

Incendiary Silks

The Cape Cod Canal

American Industries.—No. 69

The Manufacture of Standard Scales.

The Magnetic Separator

A New Boiler Cleaner

Mechanical Inventions

New Protective Suit for Firemen

Fishing on the Amazon

Combined Horse Power and Stable Floor

Improved Milk Can

Fight Between a Thrasher, Swordfish, and a Whale

A Promising Vine

The Elephant Seal

Natural History Notes

Malignant Diseases of Plants

Miscellaneous Inventions

Exportation of Vulcanite Emery Wheels

The Cincinnati Industrial Exposition

The American Institute Fair

Communication Received

Departments

  • Departments

    New Inventions

  • Index of Inventions

  • Notes and Queries

  • Business and Personal

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November 06, 1880

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