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On the total solar eclipse of August 30, 1905. In: Astronomische Mittheilungen der Königlichen Sternwarte zu Göttingen. 13th part. Göttingen, Dieterich'sche Univ.-Druckerei 1906. 4°. 73 pp. and 3 plates after photographs. Stapled binding without cover (bound). DSB XII, 249. NDB XXIV, 33 f. Reinisch/Wittmann, Karl Schwarzfeld pp. 35 ff. (with ill. 7) and 99 - Like all first editions of the works of the important astrophysicist very rare. - "In Göttingen S. also worked on problems of celestial mechanics, the physics of the solar atmosphere and stellar statistics. In 1905 he undertook a solar eclipse expedition to Algeria together with the Göttingen mathematician Carl Runge (1856-1927)" (H. Kant in NDB). The first illustration in the plate section shows the two scientists in front of their observation tent. - "Schwarzschild's first close study of the sun took place on the occasion of the total solar eclipse of August 30, 1905 in Algeria, for which he equipped an expedition that set sail from Hamburg to Algiers, and which he observed in the Roman amphitheater of the city of Guelma together with Robert Emden (1862-1940), the mathematician Carl Runge and local helpers - including a skilled local photographer named Henry. In a tent in the northwest corner of the amphitheater, they had installed several cameras on a Repsold tracking mount: One with a UV lens and a prism for recording the flash spectrum of the chromosphere on photographic plates, another without a prism for recording in white light on photographic plates, and a third with roll film... Schwarzschild published the results in (this) fundamental work" (A. D. Wittmann). - The astronomer, mathematician and physicist K. Schwarzschild (1873-1916) "is regarded worldwide as one of the most talented and important astronomers of all time and as a co-founder of astrophysics. Born in Frankfurt am Main, he worked from 1901 to 1909 as Professor of Astronomy and Director of the Observatory in Göttingen and from 1909 to 1916 as Director of the Astrophysical Observatory in Potsdam. In the course of his all too short life Schwarzschild published about 150 scientific papers, many of them of fundamental importance for the development of astronomy and astrophysics" (K. Reinsch and A. D. Wittmann). - St.a.T.
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On the total solar eclipse of August 30, 1905. In: Astronomische Mittheilungen der Königlichen Sternwarte zu Göttingen. 13th part. Göttingen, Dieterich'sche Univ.-Druckerei 1906. 4°. 73 pp. and 3 plates after photographs. Stapled binding without cover (bound). DSB XII, 249. NDB XXIV, 33 f. Reinisch/Wittmann, Karl Schwarzfeld pp. 35 ff. (with ill. 7) and 99 - Like all first editions of the works of the important astrophysicist very rare. - "In Göttingen S. also worked on problems of celestial mechanics, the physics of the solar atmosphere and stellar statistics. In 1905 he undertook a solar eclipse expedition to Algeria together with the Göttingen mathematician Carl Runge (1856-1927)" (H. Kant in NDB). The first illustration in the plate section shows the two scientists in front of their observation tent. - "Schwarzschild's first close study of the sun took place on the occasion of the total solar eclipse of August 30, 1905 in Algeria, for which he equipped an expedition that set sail from Hamburg to Algiers, and which he observed in the Roman amphitheater of the city of Guelma together with Robert Emden (1862-1940), the mathematician Carl Runge and local helpers - including a skilled local photographer named Henry. In a tent in the northwest corner of the amphitheater, they had installed several cameras on a Repsold tracking mount: One with a UV lens and a prism for recording the flash spectrum of the chromosphere on photographic plates, another without a prism for recording in white light on photographic plates, and a third with roll film... Schwarzschild published the results in (this) fundamental work" (A. D. Wittmann). - The astronomer, mathematician and physicist K. Schwarzschild (1873-1916) "is regarded worldwide as one of the most talented and important astronomers of all time and as a co-founder of astrophysics. Born in Frankfurt am Main, he worked from 1901 to 1909 as Professor of Astronomy and Director of the Observatory in Göttingen and from 1909 to 1916 as Director of the Astrophysical Observatory in Potsdam. In the course of his all too short life Schwarzschild published about 150 scientific papers, many of them of fundamental importance for the development of astronomy and astrophysics" (K. Reinsch and A. D. Wittmann). - St.a.T.
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