TY  - BOOK
AU  - Burlingame,Roger
TI  - March of the iron men: a social history of union through invention 
U1  - 608 
PY  - 1938///
CY  - New York
PB  - C. Scribner's sons;
KW  - Inventions
KW  - United States
KW  - Technology
KW  - Social aspects
KW  - Civilization
KW  - Economic conditions
N1  - "Events and inventions, a reference list": p. 468-476; Bibliography: p. 445-467
ER  -