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The Pennsylvania Aerolite

Curious Features of the Electric Lighting Business

Student Mechanics

Graphical Comparison of Perforation Formul

A New Star within a Star Cloud

By Richakd A. Proctor

An Automatic Wagon Brake

An Improved Horseshoe

An Improved Snow Plow

Blowing up Flood Rock, Hell Gate

An Improved Wrench

Improvement in Small Gas Engines

Chair Elevator for Use at Fires

The Car Coupler Trials at Buffalo, N. Y

Agricultural Inventions - October 10, 1885

Miscellaneous Inventions - October 10, 1885

Engineering Inventions - October 10, 1885

Communications Received - October 10, 1885


  • Departments

    Business and Personal - October 10, 1885

  • Notes and Queries - October 10, 1885

  • Index of Inventions - October 10, 1885

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