1James McKinney to Thomas Jefferson, 23 August 1813 (Jefferson Papers)
I am apprehensive I have left the draft of the hemp break amongst some papers I left in charge of my Son at the city of Washington , I hunted diligently for it here, but contrary to my expectation cannot find it, however, I can draw or explain the model from memory So as to make you perfectly understand the principal on which it works, I will Send it to you on Saturday you will See by the...