How it Works

by Martin L. Keen

Explains in text and diagrams, the workings of such things as batteries, television, elevators, and ballpoint pens. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0600344223
• ISBN13: 9780600344223
• Release Date: January 1974
• Publisher: Littlehampton Book Services Ltd
• Length: 160 Pages
• Weight: 1.76 lbs.