Search - How Things Work: Chiildcraft: Volume 7

How Things Work:  Chiildcraft:  Volume 7
How Things Work Chiildcraft Volume 7
Author: How & Why Library
There's more to a door than you think. — Pipes you see, pipes you don't. — It's heat. — Clocks & watches. — Things that make sounds. — Things that make music. — Mirrors, lenses and prisms. — Things that help us extend our reach. — Batteries, cells and generators. — Plugs, sockets and switches. — Saws, hammers and other tools. — Machines that make work easi...  more »
ISBN: 333641
Publication Date: 1979
Pages: 336
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