How it works, illustrated by everyday devices and mechanisms
By: by Rudolf F. Graf and George J. Whalen and the editors of 'Popular science'  illustrated by Farmlett, Barsanti & Wood Inc.
Contributors: Whalen, George J.
Publisher: Sphere
Published: 1977
Place of publication: London
Language: eng
Number of pages: 184
Subjects: Technology.
Notes: Originally published: New York : Popular Science, 1974  London : Souvenir Pres, 1975.

Index.