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How to Build a Small Alternating Current Dynamo without Castings

By Nevil Monroe Hopkins

Repairing the Screw Propeller of a Transatlantic Steamer

The British Association Meeting --II

The Antiquity of Man in America

Scientific Truth in Art

A Congress of Physicians

A Concentrator for Places Mining or Stamp Mill Products

An Improved Lawn Sprinkler

A Non-Refillable Bottle

An Apparatus for Cleaning Pipes

Railway Mail Catcher and Delivery Devices

The Corrosion of a Boiler Tube

"Arch Rock", San Francisco Bay

To Inventors

Departments

  • Recommended

    New Books, Etc - September 11, 1897

  • Departments

    Recently Patented Inventions - September 11, 1897

  • Business and Personal - September 11, 1897

  • Index of Inventions - September 11, 1897

  • Notes and Queries - September 11, 1897

  • Patents - September 11, 1897

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September 11, 1897

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