Fork relay incorporating magnets type D-251-A
Fork relay incorporating magnets type D-251-A, no. 297473, by Muirhead and Co. Ltd., July 1957.
- Materials:
- metal (unknown) and plastic (unidentified)
- Object Number:
- 1989-1099/1
- type:
- fork relay
- Image ©
- The Board of Trustees of the Science Museum