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Features

Compressed Steel Car Wheels

What is the Best Insulation?

Additional Postal Facilities Needed

Improved Electrical Shoal Water Indicator

An Improved Stop and Waste Faucet

An Improved Punch for Bank Checks, Etc.

An Improved Coal Chute

An Improved Cartridge Shell Cutter

A Finger Shield for Musicians

An Improved Tobacco Pipe

An Improved Store Service Apparatus

An Improved Cut-Off Valve Gear

An Improved Letter Box Door Plate

A Gunboat for the Great French Exposition

An Improved Pug Mill

An Improved Rail Punch

An Improved Drill Grinder

Photographic Notes - September 22, 1888

Simple Experiments in Physics

By M. Hopkins

Engineering Inventions - September 22, 1888

Miscellaneous Inventions - September 22, 1888

To Inventors - September 22, 1888

Departments

  • Letters

    Correspondence - September 22, 1888

  • Departments

    Business and Personal - September 22, 1888

  • Notes and Queries - September 22, 1888

  • Index of Inventions - September 22, 1888

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September 22, 1888

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