Annals of the Astrophysical Observatory of the Smithsonian Institution (1900)
Washington : Government printing office · leaf 150
120 ANNALS OF THE ASTROPHYSICAL OBSERVATORY. In Tables 38, 39, 40, and 41 may be found all days of solar-constant observa¬ tions of 1911 and 1912 which were common to both Mount Wilson and Bassour, in which results worth reducing were secured. Numerical results are included in MAY JUNE JULY AUG.… … Tables 38 and 40 and notes on conditions of sky and apparatus in Tables 39 and 41. Referring to Table 38, column 2 gives the average pressure of water vapor prevailing during the observations; column 3 gives the quantity of precipitable water in a
Infrared spectra · Solar radiation
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