Wolff, Alfred R · New York, J. Wiley & sons · leaf 104
the twobraces E, E. Upon this revolves the turn-table B, heldin ^position by bolts K, with oblong heads, which reachunder the bed plate. The turn-table moves on rollers,which allow it to turn freely as the wind changes itsdirection. These rollers run on a lathe-turned track, andboth are protected… … 88 THE WINDMILL AS A PRIME MOVER. table. On the inner end of this shaft is keyed the crank-plate M, to which is attached the pitman L. By meansof the post attachments, consisting of sleeve box S,swivel box X, and sliding-boss Z, connection is so madebetween the pitman and the pump, that the…
Windmills
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