James Watt 2019さんのイラストまとめ
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Celebrating the 250th anniversary of James Watt's patent (to use a separate condenser to improve the steam engine) and the 200th anniversary of Watt's death.
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Place on @JohnMuirWay where Watt secretly tested & developed his steam engine is a #WorldHeritage site... - because it's on direct line of Roman @AntonineWall! Watch out for details of a free open day coming very soon #WorldHeritageDay #JamesWatt2019 #JohnMuirDay
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#OTD 25 August 1819 James Watt died at his home at Heathfield, Birmingham - next year there will a series of events across the UK marking his Bicentenary, & also the 250th anniversary of his 1769 patent for the condensing engine
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