TY  - BOOK
AU  - Usher,Abbott Payson
TI  - A history of mechanical inventions
SN  - 048625593X (pbk.)
AV  - T15 .U8 1988
U1  - 608.7 19
PY  - 1988///, c1954
CY  - New York
PB  - Dover
KW  - Inventions
KW  - History
KW  - Technology
N1  - Reprint. Originally published: Cambridge, Mass. : Harvard University Press, 1954; Includes index; Bibliography: p. 433-443
UR  - http://www.loc.gov/catdir/description/dover033/87036479.html
ER  -