Inventions and Inventors

Front Cover
Grolier Educational, 1999 - Juvenile Nonfiction - 10 pages
Vol. 1 - Air and space, 2-Buildings, homes and structures, 3-communications, 4 - farming, food and biotechnology, 5-instruments and measurements, 6-land and water transportation, 7-manufacturing and industry, 8-medicine and health, 9-military and security, 10-power and energy.

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