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Archivistische beschrijving
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Royal Society for the encouragement of Arts, Manufactures and Commerce (RSA)
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windmills
Letter from John Jackson about horizontal windmill
Letter from John Jackson about horizontal windmill
Letter from Alexander Duncan about his improved horizontal windmill
Letter from Alexander Duncan about his improved horizontal windmill
Letter from Alexander Duncan about his improved horizontal windmill, with drawing and envelope
Letter from Alexander Duncan about his improved horizontal windmill, with drawing and envelope
Letter from William Fisher, description and drawing of his windmill
Letter from William Fisher, description and drawing of his windmill