The illustrated science and invention encyclopedia / How it works. Technology Dictionaries. Science Dictionaries. 503 19 ILL Previously published in parts in the United Kingdom under the title, "How it Works." vol. 21 has subtitle: Historic inventions. At head of title: How it works. "Reference edition distributed by Marshall Cavendish Corporation, New York and London." Includes index. New York : H.S. Stuttman, c1977. c1977. 1977 Text 21 v. : eng