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A single large paper leaf a printed book ca. 1530, containing calendar calculations, lunar conjunctions and oppositions, and opportune days for medical procedures for the year 1531. Likely repurposed as a pastedown in the incunabulum X 823/I, the first volume of a two-volume Bible from 1476-78, from which it is now detached.
(Fergus Bovill and William Duba (2025) )Label: Leaf
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Frauenfeld, Kantonsbibliothek Thurgau, FRG 216, colour checker – Blood-Letting Calendar for the year 1531 — https://fragmentarium.ms/view/page/F-jpmc/10872/78722