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Saving Freight Cars from the Bonfire, Rearing White Mice for Experimental Use

By R. P. Crawford

A Call for Instant Action, Industrial Man Power and the War, and more

Where Cotton Vies with Steel

Taking the Noise out of the Machine Shop with Cotton Gear-Wheels

Two Weeks' Review of the War, March 15th, 1917

By Our Military Expert
[This issue covering the war in Mesopotamia]

Novel Pets and how to Keep Them

Hints for Nature Study Sections of Schools

By Percy Collins

Speeding Up the Hen

By Leigh Danen

An Adjustable Ice-Skate that Grows with the Foot, A Life-Saving Appliance for Those Who Skate on Thin Ice, and more

Tin Plate and the Cost of Living, Germination of French Seeds, and more


  • Letters

    Correspondence- March 24, 1917

  • Departments

    Inventions New and Interesting- March 24, 1917

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