TY  - BOOK
ED  - Engineering Industry Training Board.
TI  - Coil spring making for engineering craftsmen
T2  - Instruction manual, module H.6
SN  - 0850831725
U1  - 621.99 E57c 
PY  - 1972///
CY  - Watford 
PB  -  Engineering Industry Training Board 
KW  -  Springs (Mechanism)
KW  -  Handbooks, manuals, etc. Springs (Mechanism) Helical springs
KW  - Manufacturing Manuals
ER  -