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Features

American Industries--No. 82

Another Case of Expanded Reissue

The Scientific Results of the Jeannette Expedition

The Relation of the Government to Patentees

Comet Seeking

Steam Boiler Notes

Ten Years' Progress in Iron and Steel Production

Ader's Magnifying Telephone

Supplying Steam Boilers with Water

Mechanical Inventions

Agricultural Inventions

Improved Portable Engine

Grebes and Their Nests

The Symbolical Signs of the Planets

Miscellaneous Inventions

Engineering Intentions

Departments

  • Departments

    Recent Inventions

  • New Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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February 18, 1882

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