TY  - BOOK
AU  - Hartman,Gertrude
TI  - Machines and the men who made the world of industry
AV  - T15 .H347
U1  - 609 
PY  - 1939///
CY  - New York
PB  - The Macmillan company
KW  - Industrial arts
KW  - Juvenile literature
KW  - Local
KW  - Inventors
KW  - Machinery
KW  - History
N1  - Illustrated lining papers
ER  -