Welcome to my weekly newsletter, Age of Invention, on the causes of the British Industrial Revolution and the history of innovation. You can subscribe here: A couple of weeks ago, when I shared my post about the invention of the steam engine, I noticed a few people on social media responding that the steam engine had, in fact, been invented in Spain — almost a hundred years before Newcomen was tinkering with his engines in Cornwall in the 1700s. I had not heard this claim before, so decided to look into it.
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