BOHR, Niels. The Theory of Spectra and Atomic Constitution. Three Essays. Cambridge: University Press, 1922. 8o. (Minor marginal foxing.) Original cloth. First English Edition. [With:] Another copy. (Light fading to spine and upper cover).

細節
BOHR, Niels. The Theory of Spectra and Atomic Constitution. Three Essays. Cambridge: University Press, 1922. 8o. (Minor marginal foxing.) Original cloth. First English Edition. [With:] Another copy. (Light fading to spine and upper cover).

Abhandlungen über Atombau. Translated by Hugo Stintzing. Braunschweig, 1921. 8o. Original printed wrappers (spine with tape repair, minor chipping to edges).

Drei Aufsätze über Spektren und Atombau. Braunschweig, 1922. 8o. Original printed wrappers. (Light dampstaining).

Atomernes Bygning. Copenhagen, 1922. 8o. Original wrappers. Provenance: J.P. Möller (signature on upper cover and title).

Om Atomernes Bygning. Copenhagen, 1923. 8o. Original wrappers.

"On the Application of the Quantum Theory to Atomic Structure. Part 1, the Fundamental Postulates." Offprint from: Proceedings of the Cambridge Philosophical Society (Supplement). Cambridge, 1924. Original printed wrappers. (7)