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London & North Western Railway Society
Glossary for the LNWR Society

Glossary Results for Word "Screw Reverse"

Screw Reverse Reversing gearExplain 'Reversing Gear' controlled by a wheel in the cab attached to a screw thread, as distinct from a lever-operated reverseExplain 'Lever Reverse'. Screw reverse gave greater control and more mechanical advantage, but was slower to operate, so generally used on locomotives which spent long periods travelling in one direction i.e. express engines.