1. Hall, H.S. and Knight, S.R.

Elementary Trigonometry.

London, MacMillan and Co., 1949. 12 cm x 17 cm. 415 pages. Original Hardcover. Very good condition 1949 edition with only very minor signs of external wear. Noticeable rubbing to the outer spine.

2. Boole, George.

Of Propositions numerically definite. [Original Offprint]. By the late George Boole, Professor of Mathematics in Queens’s College, Cork. Communicated by A. de Morgan, Esq.

Cambridge, University Press, 1869. 4°. pages 396 – 411 pages. Modern Softcover with original transaction stapled. Excellent condition with only minor signs of external wear. [Transactions of the Cambridge Philosophical Society – Volume XI, Part II].

3. Christian, Gilbert Augustus and George Collar.

A New Arithmetic: Theoretical and Practical.

Eleventh Edition. London, Meiklejohn and Holden, 1904. 13 cm x 19 cm. X, 564 pages. With a table of references. Original hardcover. Very good condition with only very minor signs of external wear, for example slight rubbing to the spine.

4. Siegel, Carl Ludwig.

Gesammelte Abhandlungen. Band I. Herausgegeben von K. Chandrasekharan und H. Maaß.

Berlin/Heidelberg/New York, Springer-Verlag, 1966. Gr.-8°. 548 Seiten. Hardcover / Originaler Leinenband ohne Schutzumschlag. Sehr guter Zustand mit nur ganz geringen äusserlichen Gebrauchsspuren. Namensstempel des Vorbesitzers auf dem Vorsatzblatt. KEINE Anstreichungen. KEIN Mängelexemplar.

5. Boole, George.

On the Analysis of Discontinuous Functions. 16 pages. [Read 20th July, 1846] / Bound with: On a certain Multiple Definite Integral 10 pages. [Read 13th April, 1846].

First Edition of two papers presented to the Royal Irish Academy. [Dublin / Lincoln], Royal Irish Academy, 1845 – 1846. Quarto. pages 124 – 149 from “The Transactions of the Royal Irish Academy, Volume XXI, Part I, 1846. Modern Softcover. Very good condition with only minor signs of external wear. Very rare extract of the original printed paper.

6. Poselger, Friedrich Theodor.

Zur Theorie der Berührungen.

Erste Ausgabe. Berlin, Druckerei der Königlichen Akademie der Wissenschaften zu Berlin, 1836-1838. Quarto (23.2 cm x 28.5 cm). 23 Seiten plus eine originale, lithographische Tafel (Seiten 55 – 78 des Jahrgangsbandes 1836). Moderne Broschur mit eingebundener Originalabhandlung. Sehr guter Zustand. Es handelt sich hier um die seltene, originale Erstausgabe der Publikation. Extrahiert aus dem Sammelband der Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin. Der originalen Publikation wurde eine Replika des Reihentitels vorgebunden. [Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin. Aus dem Jahre 1836].

7. 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.