00833cam a2200265 4500 136935640 TxAuBib 19940415120000.0 730323s1973||||||||||||||||||||||||eng|u 73004968 //r94 9780070535978 0070535973 (OCoLC)605821 DLC DLC DLC TxAuBib Ronan, Colin A. Lost discoveries : the forgotten science of the ancient world / [by] Colin Ronan. New York : McGraw-Hill, [1973] 121, [5] p. : illus ; 30 cm. Bibliography: p. [122]. 20080912. Science, Ancient. Inventions History. Discoveries in science History. TXCMR