TY  - BOOK
AU  - Garrard,Charles C.
TI  - Electric switch and controlling gear: a handbook on the design, manufacture and use of switchgear and switch boards...
U1  - 621.3173 
PY  - 1920///
CY  - London
PB  - Benn
KW  - Electric switchgear
KW  - Handbooks, manuals, etc
KW  - Switching circuits
KW  - Electronic circuits
N1  - Includes index
ER  -