TY  - BOOK
AU  - J.Rosslyn
AU  - Edward Molloy
TI  - Electric Relays: Constructional Details and Notes on The Use of Magnetic, Mercury, Thermionic, and Photo-Electric Relays
U1  - 621.3174 
PY  - 1942///
CY  - UK
PB  - George Newnes Limited
KW  - English
KW  - General
KW  - Electric relays
N1  - General editor, E. Molloy. With 109 diagrams and photographs
ER  -