1From Thomas Jefferson to the Abbé d’Arnal, 9 July 1787 (Jefferson Papers)
I had the honour of informing you when at Nismes that we had adopted in America a method of hanging the upper stone of a grist mill which had been found so much more convenient than the antient as to have brought it into general use. Whether we derive the invention from Europe, or have made it ourselves, I am unable to say. The difference consists only in the Spindle and horns. On the former...