Telegraph Block Instrument, Tyers Train Describer
Permissive block instrument, Great Western/London & North Western Joint Line
Tyers Train Describer, North British Railway
Telegraph block instrument, South Eastern Railway
circa 1905
Telegraph block instrument (sending)
Block instrument (sending/receiving) - Caledonian Railway
Block instrument (sending/receiving)
Railway signalling bell by Siemens and Halske
Specimen of First Telegraph Line, 1837
1837
Exploded Duplex Detonator
British Railways Detonator Tin
Telegraph block instrument
Telegraph block instrument (sending/receiving)
Telegraph block instrument (sending and receiving)
Reversible line indicator
Telegraph block instrument (sending and receiving)
Telegraph block instrument; "Niddrie North"; made by W R Sykes Interlocking Signal Co Ltd
Telegraph block instrument, early Walker's type
Signalling instrument
Telegraph block instrument; G. K. Winter/J. Craik (Patents: 1880/1885)
Train staff and ticket box, Gipsy Lane
Train staff apparatus, Randle Junction - Rainford Junction
Wise's Patent Train Staff
1886
Webb & Thompson Train Staff Instrument
Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Single-needle block instrument
1845
Single line staff, North Eastern Railway, Between Wharram and Fimber
1862-1912
Telegraph block instrumet; "Niddrie North Junction"; made by W R Sykes Interlocking Signal Co
Train Describer, 1880-1920
1880-1920
Signal Block Bell, South Eastern Railway
1862
Clark's block signalling telegraph instrument, 1854
1854
Signalling instrument
Block instrument (sending)
Telegraph block instrument; Walker's
1865
Block instrument (sending/receiving)
Station bay indicator
Pair of climbers for climbing telegraph poles
1948
Block instrument (lock and block)
1897
Spagnoletti intermediate signalling instrument
1885
Two-plunger block instrument pattern 288
Block instrument
Block instrument (permissive indicating)
Single-line instrument (sending/receiving)
Telegraph block instrument; GNR. Sykes 2-needle 3-position absolute pegging/non-pegging instrument
Telegraph block instrument in green metal case
Telegraph block instrument; Walker's type
Telegraph block instrument; South Eastern Railway; Walker's patent No. 245
1855
Telegraph block instrument; 3-position single-needle
