TY  - BOOK
AU  - Hughes,Thomas Parke
TI  - American genesis: a century of invention and technological enthusiasm, 1870-1970 
SN  - 0140097414 :
U1  - 609.73 22
PY  - 1990///, c1989
CY  - New York, N.Y., U.S.A.
PB  - Penguin Books
KW  - Technology
KW  - United States
KW  - History
N1  - Includes bibliographical references (p. 473-513)
ER  -