How things work
By: by Michael Folsom and Marcia Folsom ; illustrations by Brad Hamann.
Contributors: Folsom, Marcia.; Hamann, Brad, ill.
Publisher: MacMillan Pub.
Published: 1987
Place of publication: New York
Language: eng
Subjects: Technology -- Juvenile literature.; Technology.
Description: Summary, Explains how many things such as plumbing, telephones, automobiles, and x-ray machines work.