TY  - BOOK
AU  - Atherton ,William H.
ED  - Liabrary has vol1, 3, 4, 5, 6
TI  - Workshop practice a practical work for draughtsman,the mechanic the pattern-maker and the foundry
PY  - 1944///-1946
CY  - London
PB  - Isaac Pitman
KW  - Machine-shop practice
ER  -