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Features

The Peril of the Short Crossover, Unscientific Futilities and more

A Forty-mile-an-hour Dreadnought, International Show at St. Petersburg

By F. C. Coleman

How Gold is Bought

The Methods of the United States Assay Office

By Jesse Simmons

Inauguration of Emperor William Institutes, Luc Bink—A Plant that Produces Textile Fibers and more

By Our Berlin Correspondent

The Mining of Herculaneum

A Splendid Opportunity for the Archeologist

By Alfred Emerson

A Parachute Bomb for Aeronautic Use, Using a Frog's Leg as Wireless Telegraph Receiver, Horse-power and Kilowatt and more

By Our Berlin Correspondent

How to Remove Chatter Marks

By William Gr*amp*ouml;tzinger

Welding Extensions on Small Drills, Workshop Notes

By Nathan C. Johnson

A Tool for Cutting Gaskets

By H. D. Chapman

Improvised Milling Machine

By Louis H. Tolhurst

Night Storm Signals, Do Crystals Conduct Heat?

Departments

  • Letters

    Correspondence - November 16, 1912

  • Recommended

    New Books, Etc. - November 16, 1912

  • Departments

    Inventions New and Interesting - November 16, 1912

  • Recently Patented Inventions - November 16, 1912

  • Notes and Queries - November 16, 1912

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November 16, 1912

Reanimate Your Brain

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