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The Windmill, 1801 | by The RSA
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The Windmill, 1801

This letter and drawing, from Thomas Walker, describes his design for a windmill with horizontal rather than vertical sails, submitted in 1801. From 1759 the Society began offering prizes for improved designs for windmills and tidemills – steam power was not as well developed - as an alternative means of powering machinery.


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Taken on April 1, 2009