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M'Naught

M'Naught
A surname?.


M'Naught (third-person singular simple present M'Naughts, present participle M'Naughting, simple past and past participle M'Naughted)
(transitive) To increase the power of (a single-cylinder beam engine) by adding a small high-pressure cylinder with a piston acting on the beam between the centre and the flywheel end, using high-pressure steam and working as a compound engine.


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