10h 12min, jan 1, 1797 y - Trevithick builds high pressure steam engine. These high pressure engines are more efficient and lighter. These engines were named the "Cornish Engine" after Trevithick's ethnicity. Trevithick also modufied the design so that the gilders will be horizontal instead of veritcal.
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10h 12min, jan 1, 1797 y
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~ 229 years ago