![]() It’s not clear if it was the publisher’s or the first binder’s intention or mistake, however the aforementioned grayish stain which effects this part of the book, also appears on the leaves of add. 1 bound to an irregular place, between section 10 and 11 – as mentioned above. The “constant sections” are certainly presented in our copy too, and of the addenda it contains add. 1–6) and it varies which copy contains which of them (Lamley assumes that the addenda “were inserted into as yet unsold copies of the original and sole issue during binding and distribution, thus producing the variety of states”). Both volumes of this copy, are a hitherto unrecorded state of the book, they are differing significantly from those presented in the study. Lemley in his thorough bibliographical study and catalogue of the 26 known copies of the Tentamen (of which only 25 exists today), classifies and describes eight different states of the first (1A–H) and four of the second volume (2A–D) (Lemley, 2019). Otherwise each plate is complete, with all the demanded folding diagrams and vervolle. are overtrimmed at the lower edge, the lower frame is entirely trimmed causing small damages to two diagrams. The volume contains an extra copy of Tab. With occasional notes in Latin, signs and diagrams at the margins in pencil, a few correction of the text in ink and a collection of unintelligible curly brackets on the right margin of Tab. suggests that the contamination happened before binding). An inkblot at the lower gutter affects each second leaf of the first seven quires (I2, 12, 22, etc. The first quire and the first leaves of the second are stained (a light-brown stain at the upper half of the leaves). Title page with old stamps and dated ownership inscription as in the first volume. Plate 3 includes the four demanded folding diagrams. Plate 1–3 slighly overtrimmed, effecting the frame and the plate titles, a diagram on plate 2 is also trimmed. 2v (2D2v), where the first line of the text is trimmed. Some pages are slightly overtrimmed at the top edge, which occasionally effects the page numbers, or headpieces, except for p. Addendum 5, which only appears in state 1E – according to Lemley’s classification – and paginated as LXXVII–LXXIII) bound after p. ![]() Two handwritten leaves, numbered as LXXVII, with the text of “Recensio per auctorem ipsum facta” (ie. Quire V is bound – probably erroneously – after VII2, and quire 26 after 2D. In this copy the two-sided broadsheet letterpress plate (“Explicatio Signorum / Arbor Arithmeticae Geometriaeque”) bound after the title page, its paper has light stains on the lower half. Quire 26 with printing defects, with no effect on legibility. 3M, this stain remains visible until the end of the book. Grayish stains appear at the lower corner of the pages of signature 3E, they grow and merge into each other at sign. ![]() ![]() Another cluster of such spots at the edge of p. A cluster of small brown spots at the lower right corner, ghosting to the verso. Title page with old collection stamps of “Mathematicai Seminarium”, appearing on the top and bottom of the page, and an illegible ownership inscription, dated 1840. Published as an appendix to his father Farkas Bolyai’s book on geometry, Tentamen Juventutem Studiosam in Elementa Matheseos Purae Introducendi. Maros Vásárhelyini : Typis Collegii Reformatorum per Josephum, et Simeonem Kali de felső Vist, 1832, 1833.įirst 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 complete and consistent system of non-Euclidean geometry. Bolyai, Farkas: Tentamen Juventutem Studiosam in Elementa Matheseos Purae. Scientiam Spatii Absolute Veram exhibens: a veritate aut falsitate Axiomatis XI Euclidei (a priori haud unquam decidenda) independentem: adjecta ad casum falsitatis, quadratura circuli geometrica. ![]()
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