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London & North Western Railway Society
Glossary for the LNWR Society

Glossary Results for Word "Water Pump"

Water Pump A force pump to supply the boiler with feed-water, normally driven by an eccentric on one of the locomotive’s axles. A pump had the disadvantage that, unlike an injector, it would work only when in motion and so it was sometimes necessary to run a locomotive up and down sidings simply to fill the boiler.