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. Item #56796

Price: $35.00