Telegraph block instrument; South Eastern Railway; Walker's patent No. 245
1855
Single wire double line block instrument
Train staff key, Ely Sutton Branch Junction
Block instrument (sending/receiving) - Caledonian Railway
Signalling instrument
Telegraph Block Instrument, Tyers Train Describer
Tyers Train Describer, North British Railway
Telegraph block instrument, South Eastern Railway
circa 1905
Telegraph block instrument (sending)
Block instrument (sending/receiving)
Railway signalling bell by Siemens and Halske
Single-needle block instrument
1845
Telegraph block instrument (sending and receiving)
Telegraph block instrument (sending and receiving)
Telegraph block instrument (sending/receiving)
Telegraph block instrument; "Niddrie North"; made by W R Sykes Interlocking Signal Co Ltd
Signalling instrument
Train staff apparatus, Randle Junction - Rainford Junction
Train staff and ticket box, Gipsy Lane
Reversible line indicator
British Railways Detonator Tin
Wise's Patent Train Staff
1886
Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Train Describer, 1880-1920
1880-1920
Telegraph block instrument, early Walker's type
Permissive block instrument, Great Western/London & North Western Joint Line
Telegraph block instrument
Exploded Duplex Detonator
Specimen of First Telegraph Line, 1837
1837
Signal Block Bell, South Eastern Railway
1862
Clark's block signalling telegraph instrument, 1854
1854
Telegraph block instrumet; "Niddrie North Junction"; made by W R Sykes Interlocking Signal Co
Webb & Thompson Train Staff Instrument
Telegraph block instrument
Ticket box
Pair of climbers for climbing telegraph poles
1948
Signalling instrument
Block instrument (sending)
Block instrument (sending/receiving)
Telegraph block instrument; Walker's
1865
Station bay indicator
Spagnoletti intermediate signalling instrument
1885
Block instrument (lock and block)
1897
Block instrument
Two-plunger block instrument pattern 288
Block instrument (permissive indicating)
Telegraph block instrument; GNR. Sykes 2-needle 3-position absolute pegging/non-pegging instrument
