Speaking clock equipment, telephone / amplifier, photocell / pow

Description

One of four items of telephone speaking clock equipment - a rack-mounting frame with a photocell amplifier, power units, etc., 1936

Museum reference

T.1964.33.4

Collection

Industry and Commerce : Communications

Object name

Speaking clock equipment, telephone / amplifier, photocell / pow

Production information

General Post Office, Developer
United Kingdom, Northern Europe

Date

1936

Materials

Steel, Bakelite, Glass

Physical description

Clock

Exhibitions

• Communicate (08 Jul 2016)
  National Museum of Scotland

On display

national museum of scotland »
level 3 »
science and technology, communicate