TY  - BOOK
AU  - Townsend, William S. B.
TI  - Development of sheet metal detail fittings
U1  - 629.13431 TOW 
PY  - 1941///
CY  - London
PB  - Sir Isaac Pitman & Sons
KW  - Metal Fabrication
KW  - Industrial Metalworking
KW  - Sheet Metal Work
ER  -