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London & North Western Railway Society
Glossary for the LNWR Society

Glossary Results for prefix "lo"

Loading Gauge (1) The loading-gauge is a specification of the maximum widths and heights to which all railway vehicles traversing a given route must comply.  
Loading Gauge (2) A device, often seen at the exit to a goods yard, which consists of a curved bar which overhangs the track. The height of the bar above the rails represents a portion of the loading-gauge so that loaded wagons may be easily checked to ensure they are within the loading gauge.  
Locke, Joseph (1805—1860) Locke was sole chief engineer of the GJRExplain 'Grand Junction Railway (GJR)' from 1835 to 1846, and though engaged mainly on construction and civil engineering he had the top-level surveillance of the mechanical engineering side. He was the sponsor of what became known as the ‘Crewe Type’Explain 'Crewe Type 2-2-2 Locomotive Class' locomotive. He had a marked aversion to tunnels, because of which the Lancaster and CarlisleExplain 'Lancaster & Carlisle Railway (LCR)' main line has the famous climb to Shap summit, for which trains often required banking enginesExplain 'Banking Engine'.  
Loco. Coal Wagon A wagon dedicated to the carriage of coal for the railway’s own use as fuel for locomotives.  
Locomotive A self-propelled railway vehicle in which no accommodation for a pay load is provided, and which is capable of providing the motive power for other vehicles coupledExplain 'Coupling' to it.  
Locomotive Superintendent A name applied to the officer of a railway company responsible for all aspects of locomotive engines, and later superseded by the term ‘Chief Mechanical Engineer’Explain 'CME'. View more details
Locomotive Works A place where locomotives are constructed and repaired.  
Lodging Turn A turn of duty where the train crew booked off duty at a distant location, and after a period of rest booked on again for the return trip. Lodging accommodation was provided either in private houses (often those of other railwaymen or their widows) or at railway lodging houses (often called "barracks"). These were provided at important locations where many men booked off and needed to rest before resuming duty — although the round-the-clock activity and sounds of shunting and/or passing of trains from the railway close by probably made sleep rather disturbed. Lodging turns were paid extra, and were normally manned by senior men.  
London & Birmingham Railway (LBR) Incorporated 1833. Euston to Boxmoor section opened 20th July 1837. Final section opened 17th September 1838. Amalgamated into the LNWR 1846.  
London & North Eastern Railway (LNER) Not part of LNWR. Formed at the grouping in 1923 from the Great Northern, Great Central, Great Eastern, North Eastern, North British, Hull and Barnsley and Great North of Scotland Railways  
London & North Western Railway (LNWR) The Act of Parliament which created the London and North Western Railway received Royal Assent on 16th July 1846. It was formed from London & BirminghamExplain 'London & Birmingham Railway (LBR)', Grand JunctionExplain 'Grand Junction Railway (GJR)' and Manchester & BirminghamExplain 'Manchester & Birmingham Railway (MBR)' railways. Further extended when Lancashire & Yorkshire RailwayExplain 'Lancashire & Yorkshire Railway (LYR)' merged in 1921.  
London, Brighton & South Coast Railway (LBSCR) Not part of LNWR but an associate in the “Sunny South Special”Explain 'Sunny South Special', which ran between Manchester, Liverpool and Birmingham on the LNWR and Brighton and Eastbourne on the LBSC; grouped into the Southern Railway in 1923. Covered the London – Portsmouth – Eastbourne area, later part of the Southern RailwayExplain 'Southern Railway (SR)' and known today as Connex South Central.  
London Midland & Scottish (LMS) Formed in January 1923 as a result of the 1921 Railways Act. It consisted of eight constituent companies (including the LNWR) and twenty-seven less-important subsidiary companies. The LMS was also a substantial shareholder in a number of important joint lines, and also lines in Northern Ireland and Eire. At the time the LMS was the largest joint stock corporation in the world.  
Long Boiler A type of locomotive patented by Stephenson in 1842 which was provided with a boilerExplain 'Boiler' longer than the usual 9 feet of the day. The objective was to reduce the heat reaching the smoke boxExplain 'Smoke Box' in an attempt to reduce the rapid destruction of smoke boxes and chimneys which had occurred up to that time. By increasing the boiler length to 13 feet or more, the temperature was reduced by over 30% and the life of smoke boxes was considerably extended.  
Longsight, Manchester An important steam shed and carriage depot some 2 miles outside Manchester (London Road). Originally the locomotive worksExplain 'Locomotive Works' of the Manchester & Birmingham RailwayExplain 'Manchester & Birmingham Railway (MBR)', later the LNWR North Eastern Division.  
Loop A sidingExplain 'Siding' that had access from both ends. Sometimes long lengths of track parallel to the main line, so that a slow train could be put in the loop to allow a faster train to pass. Sometimes a short length of track that allows a Locomotive to run around the coaching stock.  
Loose Coupled Wagons coupled using Three Link CouplingExplain 'Three Link Coupling' are said to be loose coupled. The Three Link Coupling is easy and fast to use, but as the train can bunch up and string out, driving and braking are difficult and speeds have to be restricted. Loose coupling had one advantage: when starting a heavy train the weight of the wagons came on the engine one by one, as the slack in the couplings was taken up.  
Lower Quadrant Signal A semaphore signalExplain 'Semaphore signal', such as those used by the LNWR, where the arm was lowered to indicate ‘off’Explain 'Off (Signal)' or ‘clear’. A weight attached to the arm, either near the arm itself, or at the foot of the post, returned the arm to danger in the event of failure. Upper quadrant signalsExplain 'Upper Quadrant Signal' were raised to indicate ‘clear’.  
Luncheon Car See Dining CarExplain 'Dining Car'.