Modern Crossing Protection. Has lots of information and picture coverage of Models XA, XB, Type K relay, Type W Relay, and Type BX Rectifier.
Vintage 1954 General Railway Signal Co. 12V Relay - Type K Size 2
Polarised Relay Type BE131 250 Ohms Siemens & General Electric Railway Signal Co
LARGE ANTIQUE 19TH ICONIC BRITISH RAILROAD SIGNAL LEVER BY RAILWAY SIGNAL CO.
Style General Railway Signal Relay
Vintage General Railway Signal AC Relay Type HS - Untested
