Braunschweig & Berlin, Germany: Friedr. Vieweg & Sohn/Julius Springer, 1922, 1923, 1924. Hardcover. First Edition. Volume 10: iv, 413 pp. 8vo; Volume 16: iv, 409, [1] pp. 8vo; Volume 21: iv, 382 pp, 8vo. Each volume is ex-library with brown patterned paper boards, lighter brown cloth spines and corner tips; gold embossed titling to spine. Library stamps within, including stamps on title page of each volume, very clean with card pocket remaining on the rear pastedown of each volume. All text in German.
Alexander Alexandrovich Friedmann (1888-1925) was a Russian mathematician and physicist who built upon Einstein's theory of relativity and further expanded his own theories that the universe has both homogeneous (looks the same from every location) and isotropic (looks the same in every... More

Berlin, Germany: Julius Springer, 1927. Hardcover. First Edition. viii, 917 pp, 8vo. Volume is ex-library with brown patterned paper boards, lighter brown cloth spines and corner tips; gold embossed titling to spine. Library stamps within, including stamps on title page of each volume, very clean with card pocket remaining on the rear pastedown of each volume. All text in German.
"Zur Deutung der Molekelspektren" by Friedrich Hund (pp. 93 - 120) is his third paper on Molecular Orbital Theory. Very Good. More

Leipzig, Germany: Johann Ambrosius Barth, 1901. Three Quarter Leather. First Edition. viii, 876 pp. 8vo. Recent brown three quarter leather binding with dark leather spine and corners, four raised bands at spine with gold tilting. Interior clean with the only indication of ex-library being the "Withdrawn" stamp on the title page. Text in German.
Pyotr Lebedev (1866-1912) used a very sensitive experiment to confirm Maxwell’s prediction of the radiation pressure of light, and announced the finding at the World Physics Congress in Paris. Very Good. More

Leipzig, Germany: Verlag Von Veit & Comp. 1911. Hardcover. vii, 288 pp. 8vo. Burgundy cloth covered boards with gold embossed titling to cover and spine. Light scuffing to covers, minor sunning to spine. Front pastedown split at gutter, first signature of text block loosening from bock, tender. Light foxing within. Text in German. Good. More

Braunschweig & Berlin, Germany: Friedr. Vieweg & Sohn/Julius Springer, 1921-1922. Hardcover. First Edition. Volume 7: vi, 414 pp. 8vo; Volume 8: iv, 419 pp. 8vo; Volume 9: iv, 412 pp, 8vo. Each volume is ex-library with brown patterned paper boards, lighter brown cloth spines and corner tips; gold embossed titling to spine. Library stamps within, including stamps on title page of each volume, very clean with card pocket remaining on the rear pastedown of each volume. All text in German.
The Stern-Gerlach Experiment, conducted by Otto Stern (1888-1969) and Walter Gerlach (1889-1979) at the University of Frankfurt in 1922 was the first experiment to demonstrate the basic principles of quantum mechanics (physical phenomena at the atomic scale) and even went so far as to demonstrate... More