Comment by IAmBroom
Um, that's an overstatement. He was also "focused" on making refrigerators - he owned a patent on a novel system, but was foiled by the near-simultaneous discovery of better non-toxic refrigerant liquids.
Um, that's an overstatement. He was also "focused" on making refrigerators - he owned a patent on a novel system, but was foiled by the near-simultaneous discovery of better non-toxic refrigerant liquids.