Lovely.

Today's rabbit hole finds us wandering through The Bodleian Library's Map Room ...

At twenty minutes to two on the afternoon of the 8th September 1785 Mr Thomas Baldwin, to the ‘tears of delight and apprehension, the misgivings of humanity, and other sensations of surprize’ of the inhabitants of Chester took flight in a hot air balloon. Ascending to a height of four miles over Chester Baldwin was able to look down on the earth, a true birds-eye view. He wrote of his adventures in a book published the following year, Airopaidia : or aerial recreation, describing the voyage as well as giving a detailed account of the preparation involved in the flight (for instance a canon was fired at 7 am to let people know that the balloon was being inflated), the equipment taken onboard (as well as ballast brandy and feathers to throw out at various times to check wind speed and direction), and, rather worryingly, what to do if you start to descend too quickly. Baldwin also included some lovely original maps showing the views from above the clouds ...

Chester, A Balloon Prospect from Above the Clouds, 1786