Small demonstration model of R Holiday's patent interlocking signal frame, 1864 Small demonstration model of R Holiday's patent interlocking signal frame
Model 4 lever Saxby Duplex Plunger Signal locking frame, 1888 pattern (scale 1:4). model signal lever frame - saxby 1888
Model 2 lever Westinghouse Brake and Saxby Signal Co, Signal locking frame 1924 pattern ( scale 1:4) Model 2 lever Westinghouse Brake and Saxby Signal Co