TY - BOOK AU - Mason,Otis T. ED - The Massachusetts Institute of Technology press TI - The origins of invention: a study of industry among primitive peoples T2 - The M. I. T. paperback series U1 - 609 23 PY - 1966///] CY - Cambridge PB - M. I. T. Press KW - Inventions N1 - Originally published in London in 1895; Includes bibliographical footnotes ER -