Title
Voice Frequency Generator and Battery Supply
Reference
UK0108 NAEST 003/1
Date
1936
Scope and Content
Black and white photograph labelled A with manuscript label with name J Frewer on, stating 'V[oice] F[requency] Generators L[eft] H[and] (Telegraph) Batt[ery] Supply and Voltage Regulator R[ight] H[and] London Faraday [Building] 1936 (since recovered)'. With original reference 25701 BAS and initials STC [Standard Telephone and Cables]
Physical description
Number of pieces: 1
Language
English.
Persons keyword
Subject
Conditions governing access
Open
Level of description
file
