Bidspirit auction | Cristophorus Clavius

Cristophorus Clavius - Cristophorus Clavius - Practical Arithmetic, 1652. Venice, Giunti, 1652. In 8vo. Lily on the title page, woodcut frieze and initial, numerous formulas in the text, some browning, some small losses on the title page, later half-vellum binding with corners, gilt title within a red label on the spine, very light signs of aging. Fading manuscript note on the title page.