Machines and How They Work (Windows on the World)
By Unknown Author.
Description
Explains exactly what machines are and what they do. This book, which is part of a series, takes a look inside machines and motors including steam engines, earthmovers, medieval clocks and an oil rig to show how they function, and explains the way our world has been revolutionized by machines. - from Amzon
ISBN(s)
0863184715, 9780863184710
