TY  - BOOK
AU  - "Proton",
AU  - Molloy,Edward
TI  - Switchboard instruments: a practical work for installation engineers, contractors, plant engineers and works electricians / 
T2  - Electrical engineer series-v. 9
PY  - 1941///
CY  - Brooklyn, N.Y.
PB  - Chemical publishing co., inc.
KW  - ELECTRICIDAD
KW  - CONTADORES ELECTRICOS
N1  - With 135 diagrams and photographs
UR  - https://archive.org/details/dli.ernet.238987/
ER  -