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The Great Cantilever Bridge Over Niagara River

The Use of Argol in Dyeing

Aspects of the Planets for December

Bacterial Disease of the Imported Cabbage Worm

Barrel Pump

Slotting Shears


Box Fastener

A New Disk Fan or Exhauster

Fire Escape

Locomotive Electric Lights

The Canadian Porcupine

Young Marmosets

Carpet Fastener

Agricultural Inventions

Miscellaneous Inventions

Mechanical Inventions

Manufacturing Notes


Engineering Inventions



  • Departments

    Business and Personal

  • Index of Inventions

  • New Books and Publications

  • Notes and Queries

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December 01, 1883

20% Sitewide for President's Day