TY  - BOOK
AU  - Burlingame,Roger
TI  - Engines of democracy: inventions and society in mature America 
U1  - 608 
PY  - 1940///
CY  - New York, London
PB  - C. Scribner's sons, C. Scribner's sons, ltd.
KW  - Inventions
KW  - United States
KW  - Technology
KW  - Social aspects
KW  - Civilization
KW  - Economic conditions
N1  - Bibliography: p. 545-568
ER  -