Lives of Boulton and Watt. Principally from the Original Soho MssNote 75 — Chapter VII · Watt’s Experiments on Steam—Invents the Separate Condenser.Reading editionWatt’s notes to Robison’s Articles on ‘Steam and Steam-engines.’◇Copy noteReturn to CHAPTER VII. Watt’s Experiments on Steam—Invents the Separate Condenser.