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The Coal Bunkers at New Tacoma, W T

Repairing Suspension Bridge Cables

Trial of the Haskell Multicharge Gun

The American Institute Fair

Improved Vise

Hollow Auger

Cross Cut Saw Frame

Improved Grain Elevator

Adjustable Telephone Receiver

The Electro-Magnetophone

Tissandier's Electric Balloon

Trace Buckle

Hame Fastener

Hame Tug

Engineering Inventions


Agricultural Inventions


Manufacturing Notes

Mechanical Inventions

Miscellaneous Inventions


  • Departments


  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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November 24, 1883

Of Shamrocks and Science

Happy St. Patrick’s Day