Berlin u. Stettin, Friedrich Nicolai, 1782. Contemp. marbled boards. Back a bit worn and rubbed. (4),156 pp. and 3 large folded engraved plates with many figs. Old owners name on titlepage. Internally clean and fine.
First edition. Klügel is well-known for his contributions to non-euclidean geometry and his work on the paralell-axiom.
Berlin und Stettin, Friedrich Nicolai, 1807. Contemp. hcalf. Gilt spine and titlelabel with gilt lettering. A spot along spine. IV,248 pp. and 5 folded engraved plates. Internally clean and fine.
First edition. - Klügel is well known for the doubt that he expressed concerning the apodictic character of the parallel-postulate of Euclid.
Berlin u. Stettin, Friedrich Nicolai, 1798. Contemp. hcalf. Gilt spine. Titlelabel with gilt lettering. A paperlabel pasted on top of spine. Stamps on title-page. VI,168 pp. and 3 large folded engraved plaes.
Klügel is well-known for his contributions to non-euclidean geometry and his work on the paralell-axiom. - Poggendorff I, 1277.
Leipzig, Schwickertschen Verlage, 1803-08. Bound in 3 contemp. hcalf. Gilt spines, tome- and titlelabels with gilt lettering. A paperlabel pasted on upper part of spines. Stamps on title-pages. Spines slightly rubbed. VIII,944,(2)(2),956,(6)(2),933,(3) pp. and 24 folded engraved plates. Scattered brownspots.
First edition. These 3 volumes by Klügel were much later supplemented by C.B. Mollweide. - Poggendorff I, 1277.