Cover image for How it works; an encyclopedia of mechanical knowledge
Title:
How it works; an encyclopedia of mechanical knowledge
Author:
Hawks, Ellison, 1890-
Personal Author:
Publication Information:
Garden City, N.Y. : Garden City publishing co., inc., [1941]

[©1941]
Physical Description:
512 pages : including frontispiece, illustrations, diagrm. ; 23 1/2 cm
Language:
English
Format :
Book