1To Thomas Jefferson from Daniel L. Hylton, 15 May 1805 (Jefferson Papers)
Having engag’d a Mill Wright to build me a Mill on McCombs patent plan, of which I presume a Model is lodg’d in the Archives of the general Government, & being apprehensive the undertaker is not thoroughly acquainted with the principles of it obliges me to lay myself under the disagreeable necessity of making application to a friend to endeavour to procure the plan for me. I have no...