Lives of Boulton and Watt. Principally from the Original Soho MssNote 111 — Chapter X · Boulton and the Steam Engine—Correspondence with Watt.Reading editionFranklin to Boulton, March 19, 1766. Boulton MSS.◇Copy noteReturn to CHAPTER X. Boulton and the Steam Engine—Correspondence with Watt.