Raitala Farm Mill, Hirvijärvi

A wind-powered mill in Finland.

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This mill had ten sails tapering with curved sides and equal sided. The mill body of timber-balk construction was elongated; the stone chamber of two storeys was of vertical timber with a boarded roof. It had a bevelled brake wheel and wallower, and the upright shaft carried on the upper floor a down-turned crown-wheel driving a lantern pinion on whose spindle was a wooden pulley driving by belt direct to the frame saw; the saw was outside the stone chamber in a shed built end on to it in a cutting in the living rock. There was a flywheel on the same spindle as the driven pulley. In the bottom floor of the stone chamber was a great spur wheel driving a pair of stones underdrift.

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References

• Wailes, Rex, & Auvo Hirsjärvi, "Finnish Mills Part III: Hollow Post Mills", (Transactions of the Newcomen Society, 44, 1971-1972, pp.99-118)

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