Boethius, Arithmetica, 1492 (2l8v)

This printer’s device for the brothers Giovanni and Gregorio de’ Gregori is on the last page of their Boethius (Giovanni sometimes used a variant of his name, Zoane). Although devices in later centuries were usually printed on the title page, early books sometimes included them at the back of the book.

This printer's device for the brothers Giovanni and Gregorio de' Gregori is on the last page of their Boethius.

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Boethius, Arithmetica geometria et musica Boetii. Venice: Giovanni and Gregorio de’ Gregori, 1492. (sig. 2l8v)

Boston Public Library, Q.403.7 (public domain)

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