TELEPHONE TALKIE
An engineer testing the latest telephones, due to be shown at the Physical Society's Annual exhibition of scientific instruments at Imperial College, London, England
Picture No
14097759
Media ID
45172711
Size
6495px x 5015px
(3.1MB)
Credit
Mary Evans Picture Library
Source
Unattributed photograph for Barnaby's Studios Ltd
Date
early 1930s
