Lot 361: NAPIER, JOHN

RADDOLOGIA, OVERO ARIMMETICA VIRGOLARE IN DUE LIBRI DIVISA; CON APRESSO UNESPEDITISSIMO PRONTUARIO DELLA MOLTEPLICATIONE, & POI UN LIBRO DI ARIMMETICA LOCALE... TRADOTTORE DALLA LATINA NELLA TOSCANA LINGUA IL CAVALIER MARCO LOCATELLO, ACCRESCIUTE DAL MEDESIMO ALCUNE CONSIDERATIONI GIOVEVOLI. VERONA: ANGEL TAMO, 1623 8vo (155 x 107mm.), 7 woodcut plates (including one table), all but one folding, 15 full-page woodcut illustrations in the text, 6 smaller woodcut illustrations in the text, and woodcut printer’s device on last leaf, contemporary boards, modern cloth clamshell case, minor marginal tear repaired to foot of dedication leaf, a few gatherings with some minor marginal staining, boards somewhat worn, paper on spine partially perished

Sampson 18 (in Knott, Napier tercentenary memorial volume); Riccardi I.2 44 (under Locatello)

Jesuit college of Parma, contemporary inscription on title; two eighteenth-century owners’ inscriptions on front free endpaper; University of Keele, Turner Collection, bookplate

First Italian edition of Napier’s Rabdologiae (see lot 360), one of the earliest books on the use of mechanical devices in mathematical calculation. This translation contains additional commentary added by Locatello, as well as illustrations not appearing in the original.