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New Dynamite Gun

"A Possible Revolution in Medicine"

Dogs that Learn Trades

An Improved Churn

Simple Experiments in Physics

By M. Hopkins

An Improved Extension Ladder

An Improved Steam Steering-Gear

The Garabit Viaduct

Offset Mechanism for Sawmill Carriages

A Simple Device for Threading Needles

Test of the Cast Steel Breech Loading Rifle

Gigantic Fossil Mammals

To Inventors- December 29, 1888


  • Recommended

    New Books and Publications- December 29, 1888

  • Departments

    Recently Patented Inventions- December 29, 1888

  • Business and Personal- December 29, 1888

  • Notes and Queries- December 29, 1888

  • Index of Inventions- December 29, 1888

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