TY  - BOOK
AU  - Israel,Paul
TI  - From machine shop to industrial laboratory: telegraphy and the changing context of American invention, 1830-1920 
SN  - 0801843790
AV  - T21 .I77 1992
U1  - 609.73 20
PY  - 1992///
CY  - Baltimore
PB  - Johns Hopkins University Press
KW  - Technology
KW  - United States
KW  - History
KW  - Telegraph
KW  - Inventions
N1  - Includes bibliographical references (p. 223-244) and index
UR  - http://www.loc.gov/catdir/description/jhu051/920 00812.html
ER  -