Fly Drill
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“A drill to which a steady momentum is imparted by means of a fly-wheel having a reciprocating motion like that of the balance-wheel of a watch.” -Whitney, 1911
Keywords
machine, physics, mechanism, motion, mechanics, momentum, fly drill, fly-drill, fly-wheel, balance-wheelGalleries
Drills and Drill BitsSource
William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)
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