De Forest "Photion" tube
De Forest "Photion" tube, 1926.
- Materials:
- glass and metal (unknown)
- Object Number:
- 1929-550/1
- type:
- tube
- Image ©
- The Board of Trustees of the Science Museum
De Forest "Photion" tube on wooden holder
- Made:
- 1926 in unknown
- maker:
- Lee de Forest
De Forest "Photion" tube on a wooden holder, 1926.
Details
- Category:
- Sound Reproduction
- Object Number:
- 1929-550
- Materials:
- glass, wood (unidentified) and metal (unknown)
- type:
- tube
- credit:
- British Talking Pictures Ltd.
Parts
Wooden holder for De Forest "Photion" tube
Wooden holder for De Forest "Photion" tube, 1926.
- Materials:
- wood (unidentified) and metal (unknown)
- Object Number:
- 1929-550/2
- type:
- holder - container
