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Explosives from Coal Tar

Improved Floating Elevator

National and International Exhibitions in 1883

Romance and Reality of Animal Motion

Henry Draper

Apparatus for Testing Pressure Gauges

Catapult for Throwing Life Lines

New Fire Escape

New Wood-Working Machine

The Great Tumble Weed of the Prairies

By John R. Coryell

Mechanical Inventions

Agricultural Inventions

Engineering Inventions

Miscellaneous Inventions

Communications Received


  • Departments


  • Recent Inventions

  • Index of Inventions

  • New Books and Publications

  • Notes and Queries

  • Business and Personal

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Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine