The Signalling Record Society
ELR to RailRef Correlation - ELR Codes Q
This page should be regarded as “Work in Progress”. The webmaster will welcome additional information for this page.
Signal Fact 21
In the Sykes’ Lock & Block system, there were usually three vertical iron rods linking each instrument on the block shelf with the lever frame below.
These were referred to as rods S, Y and X in the manufacturer’s literature, spelling the company trade mark “SYX”.
|QBL||Sheppey Light Railway||SE128|
|QLT||yes||Queen's Park LUL||LE001|
|QYB||Quakers Yard Branch||GW454|
|QYZ||yes||Quakers Yard & Merthyr Joint Railway||QY001|