Bidspirit auction | [SCIENCE AND MEDICINE] - Neapolitan

[SCIENCE AND MEDICINE] - Neapolitan Arithmetic: Rare ‘Abaco’ Pamphlet - (Mathematics) ABACO BOOK – Libretto d’abaco di nuovo ristampato, e dal signor Gerardo de Somma … emendato. Naples, Luca Valiero, n.d. (circa 1700-1720). 8vo (165 x 110 mm), contemporary ‘carta rustica’ boards, some worming at gutter and to upper corner (without relevant damage to text), a genuine copy. Woodcut vignette to title, text boxed in a typographical border, a single quire of 8 nn. leaves. A rare ‘math’ popular booklet containing classic examples of calculations, multiplications, divisions, interests to be calculated on different rates and time periods. (1)