This figure pertains to the fourth chapter of Pierre d'Ailly's Imago Mundi, translated into English and published in 1948. In it the principal circle represents the orbit of the moon, inside which are the four elements and everything generable and corruptible.
made from a Latin photostate of a printed copy in the British Museum
A History of Chinese Letters and Epistolary Culture
Book edited Antje Richter: A History of Chinese Letters and Epistolary Culture
Cover image of the Penguin edition of Equiano's "Interesting Narrative." Barcode
Equiano, Olaudah. The Interesting Narrative and Other Writings. Rev. ed. Penguin Classics. New York: Penguin Books, 2003.