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Four-bank 72 delta network
- Made:
- 1952
- maker:
- Muirhead and Company Limited

Four-bank 72 delta network, to test synchro transmitter switches, type D-520A, no. 211810, by Muirhead and Co. Ltd., November 1952
Details
- Category:
- Telecommunications
- Object Number:
- 1989-1067
- type:
- delta network and switches
- credit:
- Muirhead Vactric Components Limited