Arequipa Pyrheliometry
Washington DC: Smithsonian, 1916. Paperback. 1916, Pamphlet, 24 pp. Good copy: wraps soiled and edgeworn; Moderate soil and staining throughout. Unmarked text.
Results
Results 1 - 4 (of 4)
A Group of Solar Changes
Washington DC: Smithsonian, 1927. Paperback. 1927, Pamphlet, 16 pp. Very Good copy: wraps lightly soiled and edgeworn; Unmarked text.
The Radiation of The Planet Earth to Space
Washington DC: Smithsonian, 1929. Paperback. 1929, Pamphlet, 12 pp. + fold-out in rear. Very Good copy: wraps and insides lightly soiled and edgeworn.
On The Distribution of Radiation Over The Sun's Disk and New Evidences of the Solar Variability
Washington DC: Smithsonian, 1916. Paperback. 1916, Pamphlet, 24 pp., with one plate. Very Good copy: wraps and insides lightly soiled and edgeworn.
Results 1 - 4 (of 4)