WHAT MAKES IT TICK? by Katherine Britton

WHAT MAKES IT TICK?

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KIRKUS REVIEW

The how and why of the most commonly used machines and devices of modern living in just enough detail to make the processes clear to readers of this age, Clocks, electric lights, telephone, radio, motion pictures, farm machinery, barometers and thermometers, trains, automobiles, tanks and guns are among the things whose workings become much clearer by means of excellent exposition and effective illustration. The material is well organized. Valuable as an introduction to many interests for the mechanical minded boy.

Pub Date: Aug. 2nd, 1943
Publisher: Houghton Mifflin