TY  - BOOK
AU  - Stuart, J R.
AU  - Molloy, E.
TI  - House telephones, bells and signalling systems
U1  - 621.385 
PY  - 1942///
CY  - London
PB  - George Newnes
KW  - Signalling Devices
KW  - Wired Intercoms
KW  - Domestic Electronics
N1  - Includes index
ER  -