Block instrument (lock and block)
1897
Train staff and ticket box
Telegraph block instrument
Telegraph block instrument; 3-position single-needle
Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Telegraph block instrument, Great Eastern Railway
Block instrument (permissive indicating)
Telegraph block instrument
Telegraph instrument; single needle
Station bay indicator
Telegraph block instrument; Walker's
1865
Telegraph Block Instrument, Tyers Train Describer
Single-needle block instrument
1845
Train Describer, 1880-1920
1880-1920
Telegraph block instrument; South Eastern Railway; Walker's patent No. 245
1855
Telegraph block instrument, South Eastern Railway
circa 1905
Signalling instrument
Tyers Train Describer, North British Railway
Telegraph block instrument (sending and receiving)
Telegraph block instrument; "Niddrie North"; made by W R Sykes Interlocking Signal Co Ltd
Two-plunger block instrument pattern 288
Telegraph block instrument (sending)
Telegraph block instrument (sending and receiving)
Telegraph block instrument, early Walker's type
Signalling instrument
Telegraph block instrument; Walker's type
Signal relay box
Signalling instrument
Reversible line indicator
Telegraph block instrumet; "Niddrie North Junction"; made by W R Sykes Interlocking Signal Co
Telegraph block instrument in green metal case
Telegraph block instrument (sending)
Telegraph block instrument, Preece's type
Block instrument
Double needle telegraph instrument
Intermediate block instrument
Spagnoletti intermediate signalling instrument
1885
Train staff apparatus, Randle Junction - Rainford Junction
Block instrument (sending)
Train staff and ticket box, Gipsy Lane
Telegraph block instrument (sending/receiving)
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Block instrument (sending/receiving)
Permissive block instrument, Great Western/London & North Western Joint Line
Block instrument (sending/receiving) - Caledonian Railway
Block instrument (sending/receiving)
Telegraph block instrument; GNR. Sykes 2-needle 3-position absolute pegging/non-pegging instrument
Single-line instrument (sending/receiving)
