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Telegraph block instrument (sending/receiving)

Telegraph block instrument, early Walker's type

Telegraph block instrument (sending and receiving)

Telegraph block instrument (sending)

Telegraph Block Instrument, Tyers Train Describer

Tyers Train Describer, North British Railway

Telegraph block instrument, South Eastern Railway

circa 1905

Telegraph block instrument (sending and receiving)

Telegraph block instrument

Telegraph block instrument; "Niddrie North"; made by W R Sykes Interlocking Signal Co Ltd

Cooke and Wheatstone double needle telegraph, 1844

1844

Telegraph block instrumet; "Niddrie North Junction"; made by W R Sykes Interlocking Signal Co

Telegraph block instrument (sending/receiving)

Telegraph block instrument

Telegraph block instrument in green metal case

Telegraph block instrument, Preece's type

Telegraph block instrument; Walker's type

Telegraph block instrument; Walker's

1865

Telegraph block instrument, Great Eastern Railway

Telegraph block instrument (sending)

Single-line instrument (sending/receiving)

Double needle telegraph instrument

Telegraph block instrument; South Eastern Railway; Walker's patent No. 245

1855

Telegraph instrument; single needle

Telegraph Instrument, "15 to Mitcham Junction"

Peas & Partners Alphabetical Telegraph Instrument

1846

London & North Western Railway telegraph block instrument

Three telegraphic signalling block instruments

Telegraph Instrument, Sutton Junction

Route indicator, Caledonian Railway

Telegraph Instrument

Fletcher's double-line block instrument, London & North Western Railway

Great Western Railway Lamp Indicator

Morse Key

1940-1945

experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910

1900-1910

Telegraph Sender

1918-1923
Telegraph instrument, two-needle absolute block instrument, Lancashire & Yorkshire Railway, cabinet stamped 'L&YR 595'.

Telegraph block instrument, Lancashire & Yorkshire Railway

Telegraph instrument, two-needle absolute block instrument with mechanical train-waiting indicator, Lancashire & Yorkshire Railway, cabinet stamped 'L&YR 1103'.

Telegraph block instrument, Lancashire & Yorkshire Railway

Telegraph instrument, non-tapping block bell, Lancashire & Yorkshire Railway, cabinet stamped 'L&YR 804'.

Telegraph instrument

Telegraph block instrument; Sykes' Lock and Block with integral semaphore indicator. Single-needle (red/lower-quadrant) block-indicator, mounted on a vertical brass finialled-post, in a brass-bezelled circular aperture. The bezel is engraved "W.R.Sykes Interlocking Signal Co. Ltd London". Underneath is a thick rectangular brass plate engraved "Up Windsor Local to West London Junc 62" and a circular brass-bezelled "Locked/Free" window. There is a back-box.

Telegraph block instrument; Sykes' Lock and Block with integral semaphore indicator

Railway telegraph instrument, in rectangular case for wall-mounting with sprung push-pull handles, by Alexander Bain, one of a pair installed at each end of the Shildon Tunnel, Stockton & Darlington Railway, 1846.

Alexander Bain's telegraph instrument

1846
Railway telegraph instrument, in rectangular case for wall-mounting with sprung push-pull handles, by Alexander Bain, one of a pair installed at each end of Shildon Tunnel, Stockton & Darlington Railway, 1846.

Alexander Bain's telegraph instrument

1846
Telegraph Block Instrument; Tyers Train Describer, receiving type, dial reads "Fish Waiting/Goods Waiting/Coal Waiting"

Telegraph Block Instrument; Tyers Train Describer

Telegraph block instrument; GER. Sykes 2-needle (Up/Up Line) 3-position absolute pegging/non-pegging instrument (with internal bell). Traffolyte-plated "FAST TO HARRINGAY", with circular brass commutator (plus central bell-plunger), rectangular electroplated/brass "Sykes" maker's plate, and semi-circular ivorine line-description plate.

Telegraph block instrument; GER. Sykes 2-needle (Up/Up Line) 3-position absolute pegging/non-pegging instrument

Telegraph Block Instrument, London Brighton & South Coast Railway, permissive, with bell, from Southerham Junction.

Telegraph Block Instrument from Southerham Junction

Telegraph block instrument, permissive, with bell, London Brighton & South Coast Railway, Henfield.

Telegraph block instrument

Telegraph block instrument, stop signal repeater, upper quadrant, London Midland & Scottish Railway, in bakelite case.

London Midland & Scottish Railway stop signal repeater

Telegraph instrument; Semaphore Distant Signal Repeater

Telegraph instrument, semaphore distant signal repeater

Telegraph Block Instrument; Tyers Train Describer, sending type, dial reads "Fish/Goods/ Coal/Trains working past Five Arches Box"

Telegraph Block Instrument; Tyers Train Describer

Telegraph Block Instrument; Fletcher's Type Train Describer, receiving type, circular dial with red needle, brass in green painted metal casing, labelled Chester 3A, dial labelled Crewe Train/Manchester Train/Liverpool Train/Whitchurch Train etc.

Telegraph Block Instrument; Fletcher's Type Train Describer