Westinghouse signalling relay from the Glasgow Underground Railway, single element vane relay style H2 by Westinghouse Brake & Saxby Signal Company. Westinghouse signalling relay from the Glasgow Underground Railway by Westinghouse Brake & Saxby Signal Company.
Creed Relay, manufactured by Creed and Company Limited, Croydon, London, England, 1925 Creed Relay, 1925 1925
Westinghouse bell-jar type signalling relays from the Glasgow Underground Railway, by Westinghouse Brake & Saxby Signal Company. Westinghouse bell-jar signalling relays from Glasgow Underground Railway
Relay automatic telephone exchange and generator, about 1930, installed at Pontypool Station Relay automatic telephone exchange and generator 1930
AC relay; model 2A, class T, size 6, serial no: G183317. Manufactured By Metropolitan Vickers Electrical Company ltd, Manchester. AC Relay