TY  - BOOK
AU  - Chapman,William Arthur James
TI  - Workshop technology: part 2, SI Units
SN  - 9780713132724
AV  - TJ1160 .C43 1972
PY  - 1972///
CY  - London: 
PB  - E. Arnold & co., 
KW  - Machine-shop practice
N1  - Includes indexes.
ER  -