TI  - The illustrated science and invention encyclopedia
AV  - T9 .H74 1983
PY  - 1983///
CY  - Westport, Conn.
PB  - H.S. Stuttman
KW  - Science
KW  - Dictionaries, Juvenile
KW  - Dictionaries
KW  - Technology
N1  - "Previously published in parts in the United Kingdom under the title: How it works."; "Reference edition distributed by Marshall Cavendish Corporation, New York and London."; At head of title: How it works; Includes indexes; Vol. 21 has subtitle: Historic inventions
ER  -