Manual Exchange Switchboard CB1
Manual exchange switchboard CB1 (three-position unit), made by the Western Electric Co., 1922.
- Measurements:
-
overall: 2150 mm x 1190 mm x 1765 mm,
- Materials:
- wood , plastic , metal , leather and With three boxes of spare jacks.
- Object Number:
- Y2003.22.1
- type:
- switchboard
- Image ©
- The Board of Trustees of the Science Museum