DG87225. 1975 realys. Doncaster. 12.7.11.
DG87225: Banks of Westinghouse made relays in the signalling Control centre at York. The oldest date back to 1975.
NIKON CORPORATION NIKON D3, f/3.5 @ 50 mm, 1/60, ISO 2500, No Flash
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© Paul Bigland Photography
