Encyclopaedia Britannica - How Things Work: aerosols to zippers

Bantam USA 1980 Paperback, 224pp. From household appliances to sophisticated scientific apparatus, here are clear explanations of the machines and devices in our lives = what a pulley looks like and does, how a transistor radio operates, the function of a nuclear reactor. This invaluable volume is a fascinating introduction to the world of technology. And it includes specific information on the mechanical, optical, acoustical and electrical principles that make machines work. (ISBN: 9780553131079). Good.

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