2° (mm 295x195); pages (8), 587, (1 with printer’s device) aa4- zz4 – A4 – Z4 – Aa4 – Cc4; XVIII century limp vellum, title printed in gold on spine. Woodcut printer's device on title page and end, elegant woodcut initials, headpieces and diagrams. General good condition with some foxing, a light water stain to outer margin of the first pages and to almost the whole volume at top corner, titlepage with 5 owner’s notes cancelled (one of them evidently restored) and a stain at bottom centrefold. Stain on vellum board. Ex libris “Ballati Bonaffini di S. Giuseppe dell’Olmo”. First edition in Latin.