First edition. New York: American Telephoen and Telegraph Company, 1949. The first comprehensive report on the transistor; one of the most important inventions of the 20th Century. The invention of the transistor was first announced in three short letters by Bardeen, Brattain, Shockley, and Pearson, in The Physical Review (July... More
Item #2419

First edition. Paris: Gauthier-Villars, 1888. Becquerel’s doctoral thesis on the absorption of light in crystals. Norman 156. “On March 15, 1888 he submitted his thesis ‘Recherches sur l’absorption de la lumière’ (Research on the absorption of light). Antoine Henri had been interested in the absorption of light by crystals since... More
Item #3166

First edition. Copenhagen: Ejnar Munksgaards Forlag, 1954. Author’s presentation copy of Aage Bohr’s doctoral dissertation. “This paper, which gives a survey of the theory of nuclear rotational states and of the experimental evidence concerning this type of nuclear excitation, is based upon studies begun during the author’s stay at Columbia... More
Item #3183

First editions. London: Taylor & Francis, 1913. Extremely rare author’s presentation offprints of his great trilogy, which constitutes the birth of modern atomic physics. “Bohr’s three-part paper postulated the existence of stationary states of an atomic system whose behavior could be described using classical mechanics, while the transition of the... More
Item #3293

First edition. Lancaster, PA & New York: American Physical Society, 1935. A very fine copy, in the original wrappers, of Bohr’s response to the famous ‘EPR paradox,’ which he resolved by introducing the notion of ‘quantum entanglement.’ Bohr’s paper also marks the conclusion of the Bohr-Einstein debate on the foundations... More
Item #3515

First edition, offprint issue. Leipzig: Johann Ambrosius Barth, 1923. In this article "Bohr discussed in greater detail than ever before the problem of the complex structure of spectral linesand the anomalous Zeeman effects. He argued there in connection with the case of doublet spectra that 'we must be prepared for... More
Item #2189

First editions, author's presentation offprints, inscribed. Copenhagen: Bianco Lunos, 1918-1922. A rare complete set of his major work in the scarce presentation-offprint issue; with ‘Separate Copy’ printed on the front wrappers. Inscribed by Bohr to Austrian physicist Egon von Schweidler (1873-1948) on the front wrapper of the first part. It... More
Item #3545

First edition. [London: Taylor & Francis], 1915. Author’s presentation offprint, inscribed by Bohr to Prof. Biilmann, of this seminal paper in which Bohr introduced the concept of ‘stationary state’. Soon after the completion of Bohr’s great trilogy on atomic constitution had appeared in November 1913, Moseley began to carry out... More
Item #3301

[Edinburgh: R & R Clark, April 14, 1928. First edition, extremely rare offprint issue, of this fundamental paper introducing Bohr’s statement of his ‘complementarity’ principle, the basis of what became known as the ‘Copenhagen interpretation’ of quantum mechanics. “From the epistemological point of view, the discovery of the new type... More
Item #3779

Lancaster, PA & Corning, NY: American Physical Society, [1923]. First edition of the ‘Compton effect,’ which demonstrated the existence of quanta of electromagnetic radiation, later called photons. “This discovery ‘created a sensation among the physicists of the time.’ There were the inevitable controversies surrounding a discovery of such major proportions... More
Item #3588

London: Harrison & Sons for the Royal Society, 1930. First edition in original printed wrappers of Dirac’s prediction of anti-matter – although he did not accept it as such until a year later (see below) – and the advent of the dynamical view of the vacuum which was fundamental to... More
Item #3519

Braunschweig: Vieweg & Sohn, 1914. First edition, extremely rare author’s presentation offprint (with ‘Überreicht vom Verfasser’ (Presented by the Author) printed on front wrapper), and the copy of Einstein’s son Hans Albert, of this crucial transitional paper in which Einstein uses the light quantum hypothesis to give new derivations of... More
Item #4036

Leipzig: Johann Ambrosius Barth, 1912. First edition, extremely rare author’s presentation offprints (with ‘Überreicht vom Verfasser’ (Presented by the Author) printed on front wrappers), and the copies of Einstein’s son Hans Albert, of Einstein’s formulation of the photochemical equivalence law. This is a fundamental principle relating to chemical reactions induced... More
Item #4034