Imprint from colophon, p. [4] of cover: Uforandret optrykt efter Originalem, København 1928. Fotozinktrykt hos Tutein & Koch. Imprint on p. [1] of cover: København ...
On the spectrum of hydrogen -- On the series spectra of the elements -- The structure of the atom and the physical and chemical properties of the elements https ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results