Original valve maintained tuning fork
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Original valve maintained tuning fork
Science Museum Group
© The Board of Trustees of the Science Musuem
Original valve maintained tuning fork. (Inventory description also included a valve-driven motor but this was later placed onto inventory separately as 1970-208).
Details
- Category:
- Radio Communication
- Object Number:
- 1928-229
- type:
- tuning forks
- credit:
- Eccles, W.H.
