Wolff, Alfred R · New York, J. Wiley & sons · leaf 138
r^\ ^it: P greater than what the lever is loaded for, when the wheelswings around on the turn-table, presenting its edge tothe wind, or partially so. As the wheel has an increasingleverage on the governor as it swings farther around, itis necessary that there should be an increasing resistance.This…
Windmills
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