Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Signalling instrument
Signalling instrument
Signalling instrument
Spagnoletti intermediate signalling instrument
1885
Permissive block instrument, Great Western/London & North Western Joint Line
Great Western Railway train describer
Tyers Signal Repeater Indicator
Great Western Railway Tank Indicator
1900
Signalling Instrument, Solenoid Case
Signalling Instrument, Solenoid Case
Signalling Instrument, Solenoid Case
Signalling Instrument, Flag Type Station Bay Indicator
Great Western Railway Signal Repeater
LNER signal arm indicator
1923-1948
Block Release Switch
Signal arm indicator, Southern Railway
1923-1948
Signal arm indicator, Southern Railway
1923-1948
Tyers patent permissive slide release plunger
Signalling instrument
Dial train signalling instrument, 1844
1844