Age of Invention: The Coal Conquest

You’re reading Age of Invention, my newsletter on the causes of the British Industrial Revolution and the history of innovation, which goes out to over 35,000 people. This is effectively the fourth instalment of this year’s special series on salt. To stay tuned and support the project, subscribe here:Subscribe nowIn the last part we looked at how the Dutch took the dirty, solar-evaporated salt of France, Portugal and Spain, known as “bay salt” or black salt, and refined it to a white salt fit fo...