TY  - BOOK
AU  - 
AU  - Atherton, William. H., Ed.
TI  - Workshop practice. [v.4]: a practical work for the draughtsman, the mechanic, the pattern-maker,and the foundryman
U1  - 621.75 
PY  - 1959///
CY  - London
PB  - New Era Publishing
KW  - Machine -- Shop  Practice
ER  -