201 - Wolff, Cv Fundamentals of All Mathematical Sciences. First (and Second) Part (of 4) in 1 vol. The second edition, improved and enlarged here and there. Halle, Renger, 1716-17. 7 (of 12) leaves, 470 pages, 1 leaf; 423 pages. With engraved portrait and 90 folded copperplate engravings. Small octavo. Contemporary leather binding with spine label (spine rubbed, endpapers renewed).

Wolff, Cv Fundamentals of All Mathematical Sciences. First (and Second) Part (of 4) in 1 vol. The second edition, improved and enlarged here and there. Halle, Renger, 1716-17. 7 (of 12) leaves, 470 pages, 1 leaf; 423 pages. With engraved portrait and 90 folded copperplate engravings. Small octavo. Contemporary leather binding with spine label (spine rubbed, endpapers renewed). Poggendorff II, 1355; ADB 44, 14. - Richly illustrated textbook by the well-known mathematician and philosopher. Part 1 deals with mathematical instruction, arithmetic, geometry, trigonometry, and architecture; Part 2 with artillery, fortification, mechanics, hydrostatics, aerometry, and hydraulics. - Part 1 is missing 4 pages of privilege, the last 2 leaves of the preface, and an intertitle. - Partly slightly stained and browned. - Copy from the Schönborn-Buchheim Collection. - Included: Wölfer, AM. Gemeinnütziges mathematisch-technisches Taschenbuch (Publicly Useful Mathematical-Technical Pocketbook). Ilmenau, Voigt, 1827. XX pages, 1 leaf, 569 pages. With 10 folded lithographed plates. Small octavo. New leather binding with 2 spine flaps. - Engelmann pages 41. - Only edition. - With an extensive chapter on mill and weir construction, also on bank and dam construction. - Small wormhole in the inner margin, front endpaper with the signature 'Joseph Horvath'.