Wolff, Alfred R · New York, J. Wiley & sons · leaf 106
rface to the wind as the power of the wind decreases.The sails may be furled, and the mill stopped and madeto stand still, by pulling down on shut-off rod R. Theregulating-gear is comparatively simple, securing a directconnection with each sail, and direct action of the regu-lating-weights on the… … Fig. 17. 90 THE WINDMILL AS A PRIME MOVER. on turn-table; ib, the front cap on turn-table; i^, frontbox on turn-table; id, rear box on turn-table; le^ clamp
Windmills
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