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Barrel Machinery

Lard Cheese

Air and Water

Whose Boilers Explode

The Zodiacal Light

The Industrial Condition of Canada

Storm Warnings in Court

Artificial Daylight

Sanitary Arrangements in Houses

Miscellaneous Inventions

Improved Rope-Clamp

New Folding Bath Tub

Improved Swivel-Holder for Fish-Hooks

New Telephone Transmitter

By Geo. M. Hopkins

Novel Scissors

The Cheiromeles

By Frederio A. Lucas

The Horned Screamer

Mechanical Inventions

Communications Received


  • Departments

    New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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March 19, 1881