B.R. Directive on the Servicing of Signalling Relays
- maker:
- British Railways Board
Booklet, British Railways Board, "B.R. Directive on the Servicing of Signalling Relays". Signal and Telecommunications Engineering Department. Folded pages in brown card cover. Good condition. BR13409
Details
- Category:
- Documents
- Object Number:
- 2002-7008
- Materials:
- cardboard and paper (fibre product)
- Measurements:
-
overall: 205 mm x 152 mm
- type:
- booklet
- credit:
- Chester-Kadwell, Brendan
