Original type-heading optophone, with original batteries, by Dr. Edmund Edward Fournier D'Albe, 1918
Details
- Category:
- Acoustics
- Object Number:
- 1924-791
- Materials:
- wood (unidentified), brass (copper, zinc alloy), copper (alloy), cotton (fibre), textile, aluminium alloy, metal (unknown) and bakelite
- Measurements:
-
overall: 230 mm x 590 mm x 540 mm,
- type:
- optophone
- credit:
- Fournier D'Albe, Dr. E.E.
