|C. B. Wall Telephone
A central battery wall instrument embodying a writing desk and instruction card frame with glass.
The case is matt polished hardwood.
Overall dimensions 18 x 10 x 8.25 inches
Based on early Western Electric types and introduced around 1906.
Used by the GPO as their CB Telephone No. 1
Taken from the Ericsson catalogue, edition 26
Last revised: July 26, 2020