Four-switch relay interlocking panel (point switch missing), 1930. Four-switch relay interlocking panel (point switch missing)
Signal relay, DC code transmitter Style B Code 75 Serial No 422, by Westinghouse Brake & Signal Co, London and Chippenham, 1957. Signal relay 1957
Signal relay, Single element vane relay Style H2 Specification 6969 Serial No 8477, by Westinghouse Brake & Signal Co, London and Chippenham, 1934, case marked "Clearing". Signal relay 1934
Signal Relay, 110v search light signal relay, style C4 Westinghouse brake & signal company limited, London & Chippenham Search Light Signal Relay
