Bells, indicators, telephones, fire and burglar alarms, etc
By: by J.B. Redfern and J. Savin.
Contributors: Savin, J.,
Series: Electrical installation manuals
Publisher: D. Van Nostrand company
Published: 1913
Place of publication: London
Language: eng
Number of pages: 123
Subjects: Electric bells.; Electric annunciators.; Telephone -- Amateurs' manuals.; Fire alarms.; Burglar alarms.
Genres: Amateurs' manuals.