


Tyers Type Signalling Block Instrument

Telegraph Block Instrument; Fletcher's Type Train Describer

Train describer (sending)

Telegraph block instrument

Switch-out block instrument

Telegraph block instrument

Telegraph Block Instrument, Great Western Railway

Telegraph Block Instrument, Great Western Railway

Block instrument by J.R. Spagnoletti and Crooks; GNR

Train describer, London & North Eastern Railway
1923-1948
Telegraph Block Instrument, North Eastern Railway
Telegraph block instrument, Lancashire & Yorkshire Railway
Telegraph block instrument, Midland Railway
Lancashire & Yorkshire Railway Signalling School Model Railway Layout
1912
Lancashire & Yorkshire Railway Signalling School Model Railway Layout
1912
Block instrument
1899
Train describer (sending)
Early form of block instrument
Telegraph block instrument, Tyers patent
Telegraphic Block Instrument
block instrument from London, Brighton & South Coast Railway
1890
Lancashire & Yorkshire Railway Signalling School Model Railway Layout
1912
Lancashire & Yorkshire Railway Signalling School Model Railway Layout
1912
Lancashire & Yorkshire Railway Signalling School Model Railway Layout
1912
Great Western Railway Double Needle Type Block Instrument
1837
Lock & Block Type Telegraph Block Instrument
Telegraph block instrument
Telegraph block instrument
Telegraph block instrument
Telegraph block instrument
Telegraph block instrument
1855
Telegraph block instrument
Telegraph block instrument
Telegraph Block Instrument (Model); W E Hayward
Lock & Block Type Telegraph Block Instrument
Lock & Block Type Telegraph Block Instrument
Lock & Block Type Telegraph Block Instrument
Lock & Block Type Telegraph Block Instrument
Signalling Block Instrument
Block Bell for Great Eastern Railway
Telegraph block instrument
Telegraph block instrument
Telegraph block instrument
Walker's Type Telegraph Block Instrument
1812-1882