TY  - BOOK
AU  - Jefferson,Theodore Brewster
AU  - Brooking,Walter J
TI  - Intoduction to mechanical design
U1  - 621.8 
PY  - 1951///
CY  - New York
PB  - Ronald Press
KW  - Machine-shop practice
KW  - Metal-work
KW  - Machinery
N1  - Includ bibl
ER  -