Berlin, Verlag der Akademie der Wissenschaften, 1923. 4to. Uncut and partly unopened in orig. wrappers to issue XXVIII-XXIV of ""Sitzungsberichte der Preussischen Akademie der Wissenschaften"". Wrappers with nicks and tears, especilly frontwrapper with marginal loss. Die Energieschwankungen...pp. 350-354. - Bemerkung zu Quantenstatistik...pp. 355-58.- Bietet die Feldtheorie...pp. 359-364. - Zur Theorie der von glühende...pp. 334-348.
All four papers first edition. - Planck: Akademie both :145. - Eionstein: Weil No 137.
EINSTEIN, ALBERT und W.J. de HAAS - MAX PLANCK - MAX von LAUE.
Reference : 38835
(1915)
Braunschweig, Vieweg & Sohn, 1915. Contemp. hcalf, gilt. Spine with a few scratches and light wear to spine ends. ""Verhandlungen der Deutschen Physikalischen Gesellschaft im Jahre 1915. 17. Jahrgang. Im Auftrage der Gesellschaft herausgegeben von Karl Scheel."" VI,489 pp. textillustr. Einstein/Haas papers: pp. 152-170 a. p. 203 a. p. 420. - Planck paper: pp. 407-418 a. 418-19 a. 438-51. - Laue paper: pp. 198-202. Internally clean and fine. The whole volume offered.
All papers first edition. - In the papers by Einstein and Haas prooved the Ampere hypothesis that permanent magnetism is caused by the microscopic circular motions of electric charges. The experimental results was very close to the theoretical value and as such they gave a brilliant proof of the soundness of the hypothesis.