LAGRANGE, Joseph-Louis [et al].Miscellanea Philosophico-Mathematica Societatis Privatae Taurinensis.
First editions; 5 vols, 4to, (23 x 17 cm); half-titles, engraved and woodcut vignettes to titles, large engraved headpiece at beginning of text, woodcut headpieces, tailpieces and initials, numerous engraved plates bound at the end of each volume, mathematical equations throughout, scattered light foxing, few small marginal repairs to final leaves of final volume, without loss; contemporary marbled calf, spine richly gilt in compartments, speckled edges, marbled endpapers, corners slightly rubbed, an excellent set.£22,500
[Greek and Latin text] Second edition, first bilingual edition, folio, (33.5 x 21.6 cm); title page in red and black with printer's device, numerous woodcut mathematical diagrams in text, ornamental head- and tailpieces and initials, pages browned, evidence of wormholes at the top centre of R, S, T very close to the seam and Kk - Mm along the seam but not interfering with the text; 18th-century full vellum with gilt lettering to spine, edges in blue, mild wormholes on upper board and spine, some soiling to boards, corners slightly rubbed;  549 pp. (i.e. 551 with frequent misnumberings).£6,300