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The Ohio River

Casualties in Blasting

Oyster Notes

Steam Boiler Notes

Combined Anvil, Punch, and Shears

Mechanical Inventions

Improved Kaleidoscope

New Device for Operating the Tool Rests of Lathes

New Draught Appliance for Stoves

Miscellaneous Inventions

New Engine Cut-Off

Safety Self-Cocking Arms

Electric Clock-Dial Mechanism

Improved Hatchway Doors

Engineering Inventions

The Condor


  • Departments

    New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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November 05, 1881

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