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Item #56796 Determinations of the rydberg constants, e/m, and the fine structures of Hα and Dα...

Drinkwater, J. W., Sir Owen Richardson, F. R. S., & W. Ewart Williams

Determinations of the rydberg constants, e/m, and the fine structures of Hα and Dα by means of a reflexion echelon

[London]: Reprinted from Proceedings of the Royal Society of London, 1940. 8vo, pp. [2], 165-188; original tan printed wrappers. Reprinted from the Proceedings of the Royal Society of London, Series A, No. 957, vol. 174, February 1940. More

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Wu, Chenfu F., ed. (Stephen M. K. Hu, S. Y. Cheo, E. R. Tinkham, et al.)

Peking natural history bulletin. Volume 12, part 1, September 1937 [cover title]

Bejing: The Peking Society of Natural History and Yenching University, 1937. 8vo, pp. 70, [2]; text illustrations, one plate; printed paper wrappers; short split on top of spine reinforced with tape, Conn. State Library stamp on upper wrapper, text clean and sound, very good. Includes articles on Helminthic fauna invertebrates..... More