Stockholm, B.Wankijfwii, Ol...Sumptibus Joh. Siwertz, 1691. Small 8vo. Contemp. full vellum. Minor spots to covers. (8),191,(1) pp., 4 folded engraved plates, textillustrations. A few annotations in old hand. A few brownspots, but well-preserved.
Second, much expanded, edition of Bilberg's textbook for the Swedish youth, in which he creates his own method of how to learn plane and spherical geometry based both on old mathematicians (Euclid etc.) and also on modern mathematicians. The first edition, published 1687 comprised only 32 pages.
Bilberg was professor in mathematics at Uppsala University and later bishop in Strängnäs.
Colljin "1600-Talet", 79-80.
Order-nr.: 45770