The atmosphere and the Sun.
1930 · Washington, D.C.:
by CLAYTON, H. Helm. (d. 1947).
Washington, D.C.:: Smithsonian Institution, June 9, 1930., 1930. At head of title: Smithsonian Miscellaneous Collections, Vol. 82, No. 7. 8vo. [ii], 49 pp. 33 figs., 9 tables. Original printed wrappers. Unopened. Fine. (Inventory #: S5925)