Telegraph Block Instrument, London Brighton & South Coast Railway, permissive, with bell, from Southerham Junction. Telegraph Block Instrument from Southerham Junction
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, two-needle absolute block instrument, Lancashire & Yorkshire Railway, cabinet stamped 'L&YR 595'. 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, 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