TY  - BOOK
AU  - Dummer, G. W. A.
TI  - VARIABLE RESISTORS AND POTENTIOMETERS
U1  - 621.384133 
PY  - 1963///
CY  - London
PB  - Isaac Pitman
KW  - Radio Resistors
KW  - Potentiometer
N1  - Includes Bibliography
ER  -