TY  - BOOK
ED  - Engineering Industry Training Board.
TI  - Static electrical equipment testing for engineering craftsmen
T2  - Instruction manual, module G.21
SN  -  
U1  - 621.3815 E57s 
PY  - 1969///
CY  - Watford 
PB  -  Engineering Industry Training Board 
KW  -  Electric circuits
ER  -