1. Müller, Rolf.

Der Himmel über dem Menschen der Steinzeit: Astronomie und Mathematik in den Bauten der Megalithkulturen.

Berlin / Heidelberg / New York, Springer Verlag, 1970. 12 x 18,5cm. (8), 153 Seiten, mit 79 Abbildungen. Originale Broschur. Sehr guter Zustand. Namenseintrag im Vorsatz. [Verständliche Wissenschaft, Band 106].

2. Ludlam, William.

The Rudiments of Mathematics: Designed for the Use of Students at the Universities. Containing an Introduction to Algebra, Remarks on the First Six Books of Euclid, the Elements of Plane Trigonometry.

The Fifth Edition, corrected and enlarged by M. Fryer. London, Printed for W. Baynes, 1809. Octavo. V, (1), 352 pages plus three folded plates. Original Hardcover / Full contemporary leather with gilt lettering on original, red spinelabel. Upper hinge with small defect. Binding rubbed but overall in very good condition with only minor signs of external wear. Interior bright and clean ! From the library of Daniel Conner (Connerville / Manch House), with his Exlibris / Bookplate to pastedown.