00713cam a2200229 4500 243226306 TxAuBib 20020719120000.0 790122s1978||||||||||||||||||||||||eng|u 9780895990020 $19.95 0895990024 $19.95 TxAuBib The Smithsonian book of invention [BOOK]. 1st ed. [Washington : Smithsonian Institution, 1978. 256 p. : ill. (some col.) ; 29 cm. Includes index. 19991120. Inventions History. Technology History. Smithsonian Institution.