1Gideon Fitz’s Drawing of his Windmill, [ca. 10 June 1810] (Jefferson Papers)
Signification of the letters in the drawing, A Axletree, say 15 inches diameter. B. Arm, say 9 feet long. C Large sail, say 6 feet by 4. D Paddle, or small sail E Pivot shaped like those of steelyards. F Cap roof fast to the axle to prevent rain passing down. G Roof. H Joist, or plate.
2Gideon Fitz to Thomas Jefferson, 10 June 1810 (Jefferson Papers)
Since my arrival in this country I have heard it generally remarked, that windmills would be exceedingly useful here.—They are in use on the mississippi , but not constructed on any plan, that I know of, which I think to be so managable & useful as the plan I now present to you.— It is of my own invention, never having seen or heard of any thing of its construction. I forward it to you for the...