


Permissive block instrument, Great Western/London & North Western Joint Line

Signalling instrument

Cooke's train signalling instrument of 1845, Norfolk Railway
1845

Signalling instrument

Spagnoletti intermediate signalling instrument
1885

Signalling Instrument, Solenoid Case

Signalling Instrument, Flag Type Station Bay Indicator

Great Western Railway Tank Indicator
1900

Tyers Signal Repeater Indicator

Great Western Railway train describer

Great Western Railway Signal Repeater

Signalling Instrument, Solenoid Case

Signalling Instrument, Solenoid Case
Tyers patent permissive slide release plunger
Block Release Switch
LNER signal arm indicator
1923-1948
Signal arm indicator, Southern Railway
1923-1948
Signalling instrument
Great Western Railway train describer
Dial train signalling instrument, 1844
1844
Signal arm indicator, Southern Railway
1923-1948