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More About the A. A. A. S

Magnetization of Pocket Watches at the Electrical Exhibition

For the Advancement of Science

Combination Tool for Carpenters

Current Wheel

A Double Baking Pan

Trace Holder and Detacher

Improved Machine for Tonguing and Grooving Boards

Improved Mechanical Movement

Steam Boiler

The Telephone - September 20, 1884

Transmitting Power from a Central Station

The Northeast Coast of New Guinea

Decisions Relating to Patents, Trade Marks, Etc.

Agricultural Inventions - September 20, 1884

Engineering Inventions - September 20, 1884

Mechanical Inventions - September 20, 1884

Miscellaneous Inventions - September 20, 1884


  • Letters

    Correspondence - September 20, 1884

  • Departments

    Notes and Queries - September 20, 1884

  • Index of Inventions - September 20, 1884

  • Business and Personal - September 20, 1884

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