00884cam a2200217 4500 243222124 TxAuBib 20010531120000.0 710319s1971||||||||||||||||||||||||eng|u 9780870440892 0870440896 TxAuBib Those inventive Americans [BOOK] / Produced by the National Geographic Special Publications Division. Foreword by Leonard Carmichael. [Washington : National Geographic Society, [1971] 231 p : illus. (part col.), ports. (part col.) ; 27 cm. National geographic special publications 20010531. Inventors United States. National Geographic Society (U.S.), Special Publications Division. National geographic special publications.