California: People’s Computer Center, 1972–1973. First edition. Three issues of the computing newsletter. Illustrated. 15 [1]; 19 [1]; 15 [1] p. First three issues of one of the earliest computing publications by People’s Computer Company. People’s Computer Company (PCC) was an organization and a newsletter founded by the key..... More

M.vásárhelyt [Marosvásárhely]: Nyomtattatott a’ Reform. Kollégyom betüivel Felsö Visti Káli Jó’sef ltal. 1830. First edition. In somewhat later half leather binding. The panels are covered with marbled paper. Spine with gilt title. XVI, [XVII–XX], [1]–162 p., and one folding plate. First edition of Farkas Bolyai's first mathematical publication. This work..... More

Maros Vásárhelyini [Marosvásárhely]: Typis Collegii Reformatorum per Josephum, et Simeonem Kali de felső Vist [József and Simon Káli], 1832, 1833. First edition of János Bolyai’s Appendix, his “explanation of the absolutely true science of space”, “the most extraordinary two dozen pages in the whole history of thought” (Halsted, 1896), a...... More

Szeged: Az Egyetem és a Rothermere-Alap támogatásával kiadja a M. Kir. Ferencz József-Tudományegyetem Barátainak Egyesülete, 1932. Offprint first edition. Presentation copy, inscribed by the author. Text in German. Papered spine. pp. [193]–198. Inscribed offprint of Erdős’ first publication, a proof of the Bertrand-Chebyshev theorem. Erdős’ first paper, written at..... More

Leipzig: In der Johann Gottfried Muellerschen Buchhandlung (Müller), 1784. With 5 illustrations of knight’s tour and one engraved illustration of the speaking machine. First edition. Printer’s device on title page. In contemporary cardboard. Title vignette on spine. [11], 12–56 p. and 1 mounted plate (on p. 51). One of the..... More

[Köln (Cologne)]: [Heinrich Quentel (heirs of)], [1507]. First edition (under this title, and collection of the texts), second as Lefèvre’s Epitome (1503, Paris). In later cardboard. Title lettered in ink to the spine. Wide margin copy. Coll: A–D6 E–F4; ff. [32]. Extremely scarce Cologne edition of “Lefevre’s Epitome” and other..... More

(Trieste): (S.n.), (June 1832.). First edition. 1 bifolio (4 printed pages). Very early publication of the insurance company Assicurazioni Generali that has been established on December 26, 1831, and the first about their specific service, “Beneficenza de’ notabili” a special form of investment, a tontine for a higher number of..... More

Budapest (Pápa): Főiskolai könyvnyomda, 1934. First edition. In original paper. 82 p. John von Neumann is among the nominees for corresponding member of the Hungarian Academy of Sciences. One page account of Neumann’s scientific achievements and 3 pages of bibliography of his works between 1922–1933. More

Leipzig: Wilhelm Engelmann (Breitkopf und Härtel), 1901. First edition. Papered spine. XI, (1), (1)–48 p. Melchior (Menyhért) Palágyi (1859-1924) was a Hungarian philosopher, mathematician and physicist. In this study, which is considered as his major work, he presents a new theory of space and time, which had some similarities with..... More

Budapest: Magyar Tudományos Akadémia (Société Franklin), 1911. Only edition. Published unbound. 38 p. The “International Bolyai János Prize of Mathematics” founded by the Hungarian Academy of Sciences, in 1902 with the aim to compensate the lack of Nobel Prize in the field of mathematics. It is awarded in every five..... More

Berlin: Bi-defus Ḥevrat ḥinukh neʻarim; Jüdischen Freyschule. [546] 1786. First edition. After leaf 10, numbering reverts to 1 and the text of Maimonides' Hilkhot Ḳidush Ha-Hodesh begins; Naṿeh Kodesh continues as a commentary to it. In contemporary half cloth. (4°); (2), (10),(41) leaves and one folded, engraved page of geometric..... More