Catalogue of the collections in the Science museum, South Kensington
Subtitle: with descriptive and historical notes and illustrations. Electrical communication
By: comp. by R. P. G. Denman
Publisher: H.M. Stationery off.
Published: 1926
Place of publication: London
Language: eng
Subjects: Telegraph; Collections; Telephone; Wireless Telegraph; Radio
Notes: At head of title: Board of education.
Table of contents: title: I. Line telegraphy and telephony.; title: II. Wireless telegraphy and telephony.