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The Earthquake Recorder

Improved Crank Shaft Lathe

Another Movement for a Swiss Patent Law

Nullification of the Patent Laws

Proportions for Vessels of Light Draught

Boracic Acid; Its Sources

Care of Patterns

Locking Latch

Automatic Machine for Cutting Paper and Cardboard

Combined Knife Brick Box and Grinder

The Propeller, Bone--a Contribution to Science

By C. Marion Dodson

Aspects of the Planets for February - 1884

Bee Farming in New South Wales

Electric Jewelry

Pipe Tongs

Scratch Gauge

Mechanical Inventions - February 2, 1884

Miscellaneous Inventions - February 2, 1884

Engineering Inventions - February 2, 1884

Agricultural Inventions - February 2, 1884


  • Letters

    Correspondence - February 2, 1884

  • Recommended

    New Books and Publications - February 2, 1884

  • Departments

    Business and Personal - February 2, 1884

  • Notes and Queries - February 2, 1884

  • Index of Inventions - February 2, 1884

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