Telegraph block instrument (sending and receiving)
Telegraph Block Instrument, Tyers Train Describer
Signalling instrument
Telegraph block instrument, South Eastern Railway
circa 1905
Telegraph block instrument (sending and receiving)
Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Train staff apparatus, Randle Junction - Rainford Junction
Telegraph block instrument, early Walker's type
Telegraph block instrument (sending)
Single-needle block instrument
1845
Block instrument (sending/receiving)
Webb & Thompson Train Staff Instrument
Signalling instrument
Tyers Train Describer, North British Railway
Reversible line indicator
Telegraph block instrument
Telegraph block instrument; "Niddrie North"; made by W R Sykes Interlocking Signal Co Ltd
Permissive block instrument, Great Western/London & North Western Joint Line
Train staff and ticket box, Gipsy Lane
Block instrument (sending/receiving) - Caledonian Railway
Wise's Patent Train Staff
1886
Specimen of First Telegraph Line, 1837
1837
British Railways Detonator Tin
Exploded Duplex Detonator
Signal Block Bell, South Eastern Railway
1862
Clark's block signalling telegraph instrument, 1854
1854
Railway signalling bell by Siemens and Halske
Telegraph block instrumet; "Niddrie North Junction"; made by W R Sykes Interlocking Signal Co
Train Describer, 1880-1920
1880-1920
Telegraph block instrument in green metal case
Telegraph block instrument, Preece's type
Intermediate block instrument
Station bay indicator
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Telegraph instrument; single needle
Telegraph block instrument, Great Eastern Railway
Block instrument (sending/receiving)
Telegraph block instrument (sending)
Spagnoletti intermediate signalling instrument
1885
Block instrument (permissive indicating)
Block instrument (lock and block)
1897
Telegraph block instrument; Walker's type
Telegraph block instrument (sending/receiving)
Telegraph block instrument
Two-plunger block instrument pattern 288
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Block instrument (sending)
