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.
Order-nr.: 38835