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>Leibniz, Papin, and The Steam Engine

>The early history of the invention of the steam engine shows without doubt that the British Royal Society deliberately prevented the industrial applications of steampower for nearly 100 years. In fact, the Royal Society was so intent on burying Denis Papin's 1690 invention of a paddlewheel-driven steamship, worked out in collaboration with C.W. Leibniz, that it appropriated his work and created a mythical story of how two British heroes invented the steam engine—a myth that has persisted in the history books until today.

https://en.wikipedia.org/wiki/Gottfried_Wilhelm_Leibniz
http://21sci-tech.com/Articles%202008/papin_steam_engine.pdf