Railway signalling bell by Siemens and Halske
Block instrument (lock and block)
1897
Train staff and ticket box
Signal Block Bell, South Eastern Railway
1862
Telegraph block instrument
London & North Eastern Railway signal box
Wise's Patent Train Staff
1886
British Railways Detonator Tin
Five-needle train signalling instrument used on the London and Blackwall Railway
1840
Telegraph block instrument; 3-position single-needle
Specimen of First Telegraph Line, 1837
1837
Telegraph block instrument (sending), Great Northern Railway
Cooke's train signalling instrument of 1845, Norfolk Railway
1845
Telegraph block instrument, Great Eastern Railway
Block instrument (permissive indicating)
Telegraph block instrument
Exploded Duplex Detonator
Telegraph instrument; single needle
Clark's block signalling telegraph instrument, 1854
1854
Station bay indicator
Telegraph block instrument; Walker's
1865
Telegraph Block Instrument, Tyers Train Describer
Single-needle block instrument
1845
Signal Lamp, Stockton & Darlington Railway
1840
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
Great North of Scotland Railway Detonator Box
Signalling instrument
Telegraph block instrument; Walker's type
Signal relay box
Signalling instrument
Pair of climbers for climbing telegraph poles
1948
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
