1Samuel K. Jennings to Thomas Jefferson, 13 September 1815 (Jefferson Papers)
Your aid is solicited in bringing the Patent Steam Bath into general use in your neighborhood; and considerable calculations are made upon your influence. Letters and recommendations will be exhibited for your inspection, intended to show you that the subject is not unworthy of your regard. Indeed, to lend assistance in staying the ravages of disease, which every where is prematurely sweeping...