Telegraph Block Instrument; Tyers patent Telegraph block instrument, Tyers patent Signalling & Telecommunications
Telegraph Block Instrument, North Eastern Railway, 3 position, pegging type, sending, ex Redmarshall Station. Overall: 485 mm x 216 mm x 278 mm. Telegraph Block Instrument, North Eastern Railway Signalling & Telecommunications
Telegraph block instrument: Midland Railway; 1913; rotary Pegging block type; Sending Telegraph block instrument: Midland Railway Signalling & Telecommunications
Telegrah block instrument, Lancashire & Yorkshire Railway, 3 position type, complete with tapper Telegraph block instrument, Lancashire & Yorkshire Railway Signalling & Telecommunications
Telegraph block instrument, South Eastern Railway, Walker's type, shaped like church window, ex Bricklayers Arms. telegraph block instrument Signalling & Telecommunications
Block instrument, rotary non-pegging with line-clear-cancel button, Midland Railway (and LMS), dated 1899. Block instrument, rotary non-pegging with line-clear-cancel Signalling & Telecommunications 1899
Block Instrument, London Brighton & South Coast Railway, Sykes Intermediate block instrument, ex Beddington (Surrey), c. 1890. block instrument from London, Brighton & South Coast Railway Signalling & Telecommunications 1890
Early form of block instrument 1855-61. Early form of block instrument Signalling & Telecommunications
Telegraph block instrument, lock & block type, W R Sykes & Co, "81.83. To Main Starters from Hackbridge" Telegraph block instrument, lock & block type, W R Sykes & Co Signalling & Telecommunications
Telegraph block instrument, electric point indicator, London Midland & Scottish Railway, in bakelite case Telegraph block instrument, electric point indicator, London Signalling & Telecommunications
Telegraph block instrument, lock & block type, W R Sykes & Co, "Up Branch 24 To Starter from Wensham Junc." Telegraph block instrument, lock & block type, W R Sykes & Co Signalling & Telecommunications
