James Watt’s balls. An important addition to the steam engine.
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Ahhh… no I won’t make a bad joke. Very cool . Another one for the Dave R wonderful mechanical bits library
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If only James had known beforehand, he would not have invented the darn thing.
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Brass?
(I’m not above a bad joke)
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It gave rise to the expression (initially about steam engines, where the mechanism acted as a speed governor) “going balls out”.
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That explains why I always get in trouble when I try to do something Balls Out!
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