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@kevsheahan They look like they come straight from the Great Moon Hoax of 1835, crossed with Heath's 1820s March of Intellect (see bat-winged postman on the left of the second image)
Thanks to @dominikhhh for an entomological addition to my #PuttiOfScience #AdventCalendar today - adds some welcome colour! https://t.co/FqSFMpd4tf #histSTM
And a whole host of makers of dividers https://t.co/V4G9VPRzit - including from 1553
On chemistry at home, @melaniekeene shows lovely drawing by Beatrix Potter celebrating uncle Henry Roscoe's book