Tirrill voltage regulator type T.A.- F.F.4
Tirrill voltage regulator type T.A.- F.F.4 by British Thomson-Houston Co. Ltd.
Details
- Category:
- Electricity Supply
- Object Number:
- 1953-79
- type:
- regulator
- credit:
- British Electricity Authority
Tirrill voltage regulator type T.A.- F.F.4 by British Thomson-Houston Co. Ltd.