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The Belgian Ship Canal

Iridescent Glass

Rails and Railway accidents--New York Academy of Sciences

The Limit of Work

Progress of Petroleum

Sanitary Science in the United States

New Shutter Fastener

A New Foot Power

An Improved Garden Sprinkler

An Improved Vise

Amateur Mechanics

The Werdermann Electric Light

Cassons Saw Bench

The Trap Door Spider of Jamaica

The Argonaut, or Paper Nautilus

The Progress of Science in Mexico

Astronomical Notes

By Berlin H. Wright

New Wire Clothing for Burring Cylinders

To Inventors

Communications Received


  • Departments


  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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