Ramsbottom safety valve

noun
Rams·bot·tom safety valve | \ˈramzˌbätəm-\

Definition of Ramsbottom safety valve 

: a safety valve used especially on locomotives in which two valves are pressed down by a single spring attached to a crosspiece prolonged to form a hand lever by which the valves may be eased up to test their adjustment

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History and Etymology for Ramsbottom safety valve

after John Ramsbottom, 19th century British mechanical engineer

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Dictionary Entries near Ramsbottom safety valve

ramsack

Ramsay

ramsayite

Ramsbottom safety valve

ramsch

ram schooner

ramsdellite

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