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1929Best.-Nr. 5739K-2Berlin: Verlag der Akademie der Wissenschaften in commission at Georg Reimer Reichsdruckerei 30th January 1929. Near Fine. Imperial 8vo 25 4: 18 2 cm. 8 pages. Letterpress on machine paper in original publisher’s brochure on orange stock with black title printing. First offprint in the original wrappers of this important paper by Einstein formulating groundbreaking developments towards a unified field theory. - Content: »On The Unified Field Theory« is one of Einstein's last scientific core works. According to Weil ""This paper represents a new development which was immediate news. A translation by L. L. Whyte appeared in the London Times of Feb. 4 1929. It was quoted in full in ""Observatory"" vol. 52 under the title ""New Field Theory"" pp.82-87 and 1930 pp.11-118."" In 1928 Einstein embarked on a new approach to a unified field theory involving what he called „distant parallelism“. By early 1929 he had solved the main problems involved in writing down field equations for his unified field theory. On the day of offical publication of the third of a formidably technical series of 9 articles on the theory excited headlines appeared in newspapers around the world. - cf. Parkinson Breakthroughs p.279. - Condition State: Mint uncut thus unread. - The list of academy offprints on the rear side of the cover states present offprint not in last place. All offprints listed later were printed in 1929 though. The typeset of all pages is identical to other authentified offprints of this papers. This indicates that our copy is indeed a first offprint but presumably with a later cover. - Reference: Alicke 141; Boni-Russ-L. 183; Norman Collection I 700; Printing and the Mind of Man 416 „Principal Work“; Schilpp-Shields 226; Weil 165. Verlag der Akademie der Wissenschaften (in commission at Georg Reimer [Reichsdruckerei]) unknown
1921Best.-Nr. 5726KBerlin: Verlag der Akademie der Wissenschaften in commission at Walter de Gruyter Reichsdruckerei 3rd February 1921. Near Fine. Imperial 8vo 25 4: 18 2 cm. 8 pages. Letterpress on machine paper in original publisher’s brochure on orange stock with black title printing. First offprint in the original wrappers of Einstein's Celebratory Lecture given at the Prussian Academy on the occasion of the anniversary of King Frederick II it's founder. – Edition: Given in the year when he was awarded the Nobel Prize Einstein in this lecture summarised his views on the geometrization of physics. According to Pais Einstein in present lecture in particular explained why in 1912 he had abandoned Euclidean geometry in favour of Riemannian to proceed successfully with his theory of general relativity. Furthermore Einstein in this lecture presented his view on the place of mathematics in physics. He questioned whether human reasoning even without direct experience could lead to an understanding of the properties of real things merely through thought. Regarding the question of why mathematics should be so well adapted to describing the physical world he concluded 'As far as the laws of mathematics refer to reality they are not certain; and as far as they are certain they do not refer to reality.' – Condition: Mint very probably unread. - Rarity: Very rare. According to Weil early offprints of Einstein’s papers may also be qualified as original and also highly collectable editions however they were printed in a certain but still small print run for commercial use mainly to sell them to fellow natural scientists: „No doubt the first appearance in a periodical is the „original edition“ but I have to leave it open for collectors librarians and others to decide whether these offprints in wrappers mostly with a printed title on them especially in the »Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften« are also „original editions“. These offprints are printed from the same setting as the text but often with new pagination.“ p. 4 As of March 2nd 2024 no other copy of this offprint is for sale. – Reference: Reference: Boni N.: A bibliographical checklist and index to the published writings of Albert Einstein 136; The Collected Papers of Albert Einstein. Volume 7 52 also referred to as Einstein 1921b; Shields M. C.: Bibliography der Schriften Einsteins. In: Schilpp P. A.: Albert Einstein als Philosoph und Naturforscher 122; Weil E.: Albert Einstein. A bibliography of his scientific papers 1901-1930 114; Pais A.: Subtle is the Lord. The Science and Life of Albert Einstein 2005 ed. p. 214. Verlag der Akademie der Wissenschaften (in commission at Walter de Gruyter [Reichsdruckerei]) unknown
1927Best.-Nr. 5736KBerlin: Verlag der Akademie der Wissenschaften in commission at Georg Reimer Reichsdruckerei 24th February 1927; 14th February 1928. Near Fine. Imperial 8vo 25 4: 18 2 cm. 12 pages numbered 2-13; 12 pages numbered 235-245 1. Letterpress on machine paper in original publisher’s brochures on orange stock with black title printing. First offprints in the original wrappers of two of Einstein's papers about the interrelations of the General Theory of Relativity and the Law of Motion the 2nd paper conducted with his assistant Jakob Grommer. - Condition: Mint. - Reference: Boni-Russ-L. 171; Schilpp-Shields 212; Weil 155 and 160. Verlag der Akademie der Wissenschaften (in commission at Georg Reimer [Reichsdruckerei]) unknown
1929Best.-Nr. 5740KBerlin: Verlag der Akademie der Wissenschaften in commission at Georg Reimer Reichsdruckerei 23th April 1929. Near Fine. Imperial 8vo 25 4: 18 2 cm. 6 pages. Letterpress on machine paper in original publisher’s brochure on orange stock with black title printing. First offprint in the original wrappers and new pagination of this late paper by Einstein about Hamilton's principle of stationery applied for the Unified Field Theory. - Content: Einstein already had succesfully used Hamiltion's achievements in the field of classical mechanics for his General Theory of Relativity in 1926. - Condition: Mint. - Reference: Schilpp-Shields 227; Weil 166 quotes the pagination of the first separate printing p. 156-159. Verlag der Akademie der Wissenschaften (in commission at Georg Reimer [Reichsdruckerei]) unknown
1931Best.-Nr. 5745KBerlin: Verlag der Akademie der Wissenschaften in commission at Georg Reimer Reichsdruckerei 2nd December 1931; 30th April 1932. Near Fine. Imperial 8vo 25 4: 18 2 cm. 19 1 pages; 12 pages numbered 235-245 1. Letterpress on machine paper in original publisher’s brochures on salmon-coloured and orange stock with black title printing. First offprints in the original wrappers and new pagination of this important two-part paper by Einstein formulating new developments towards Unified Field Theories. - Content: Einstein made several attempts at a five-dimensional unified field theory including this two-part collaboration with Austrian mathematician Walther Mayer nicknamed „Einstein's calculator“ ""in which a new unified field theory was proposed one based on a four-dimensional space-time continuum with a five-dimensional tangent space attached at each point"" Pais Subtle is the Lord p. 492. - Condition: Very well preserved. - Reference: Boni-Russ-L. 207; Printing and the Mind of Man 416 „Principal Work“; Schilpp-Shields 251 and 261; Weil 182 and 185 quotes the paginations of the first separate printings p. 541-557 and 130-137. Verlag der Akademie der Wissenschaften (in commission at Georg Reimer [Reichsdruckerei]) unknown
Best.-Nr. 0525234659.Ghardcover. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book. hardcover
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