For a long time now I’ve been interested in the ways in which the worlds of Restoration experimental philosophy and Restoration trade and other economic activities came into contact. The early Fellows of the Royal Society were adamant that their research programme would be useful (no matter what any of their contemporary detractors thought!) – and I would argue that many of the Fellows wanted science to be useful more specifically in terms of enriching themselves and their country financially. I haven’t yet got around to arguing this in any detail but if I ever finish with Hooke, that’s what I’m going to do. In the meantime, let me introduce you to one of my favorite Fellows, the merchant, linguist, and secret writer of unorthodox religious treatises, Francis Lodwick. Lodwick and Hooke got to know each other in the 1670s and became close friends, meeting (with others) at Jonathan’s coffee-house in Exchange Alley on an almost daily basis throughout the 1690s. Lodwick was Hooke’s companion on one of the last outings recorded in his diary, when they visited some Chinese for tea and attempted to learn a few of the Chinese characters. Hooke wrote ‘I could learn little: 8 or 10 characters pronouncd all alike but of Differing signification’.