Oxford, Corpus Christi College, MS 234

English 15th-century copy of Euclid's Elements
with notes by Lewis of Caerleon at fols. 2r, 13r et passim.

Owned by John Dee, on fols.1r and 2r it has two markings typical of books he owned:
the repeated Jupiter symbol and the ladder-like symbol :

Source : Peter Kidd, Medieval manuscripts provenance

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