TY  - BOOK
AU  - Atherton, William H., ed.
TI  - Workshop practice. [v.7]: a practical work for the draughtsman, the mechanic, the pattern-maker,and the foundryman: William H. Atherton
U1  - 621.75 W892p3 
PY  - 1959///
CY  - London
PB  - New Era Publishing
KW  - Electricity
ER  -