- return crank
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контркривошип
Англо-русский словарь технических терминов. 2005.
return crank
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Crank (mechanism) — A crank is an arm attached at right angles to a rotating shaft by which reciprocating motion is imparted to or received from the shaft. It is used to change circular into reciprocating motion, or reciprocating into circular motion. The arm may be … Wikipedia
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Southern valve gear — was briefly popular on steam locomotives in the United States. It combines elements of the Walschaerts and Baker patterns.HistorySouthern valve gear was devised by locomotive designers on the Southern Railway (US) and used on many locomotives on… … Wikipedia
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Robert Wornum — (1780 1852) was a piano maker working in London during the first half of the 19th century. He is best known for introducing small cottage and oblique uprights and an action considered to be the predecessor of the modern upright action [David… … Wikipedia
