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Hydraulic Lift on the Morris Canal

Metallic Cæsium

Suffocation by Coal Gas

The Parasite of the Clam

By C. F. Gissler

Klinkerfues' Weather Compass

Decisions Relating to Patents

Stationary Engine with Adjustable Cut-Off Valves

Improved Plow

New Cotton Chopper

New Disintegrating Riffles

The Great Ant-Eater and Its Young

By C. F. Holder

Mechanical Inventions - May 20, 1882

Engineering Inventions - May 20, 1882

Electrical Invention - May 20, 1882

Agricultural Inventions - May 20, 1882

Miscellaneous Inventions - May 20, 1882


  • Departments

    Notes and Queries - May 20, 1882

  • New Books and Publications - May 20, 1882

  • Business and Personal - May 20, 1882

  • Index of Inventions - May 20, 1882

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