Question: Who invented the steam engine in the 1800s?
Answer: James Watt
Disambiguated annotations:
qaPairs: question: Who invented the first full-scale steam steam engine inside a working railway locomotive in the 1800s?
answer: Richard Trevithick
Trevithick
question: Who invented the horizontal steam engine in the 1800s?
answer: George Henry Corliss
question: Who invented the high pressure steam engine in the US independently of Trevithick?
answer: Oliver Evans