00606cam a2200229 4500 547101316 TxAuBib 20100322120000.0 011026s1960||||||||||||||||||||||||eng|u TxAuBib American Heritage. Men of science and invention. Golden Press, 1960. 153 p. (American Heritage Junior Lib.) 20100322. Inventions. Inventors. Scientists. (American Heritage Junior Lib.) TXKDM