Annals of the Astrophysical Observatory of the Smithsonian Institution (1900)
Washington : Government printing office · leaf 207
177 ANNALS OF THE ASTROPHYSICAL OBSERVATORY. Figures 23 and 24 give graphical representations of these results for and *P' reduced to spectroscopic conditions where the slit plus the bolometer covers a Fig. 23. — Transmissibility of radiation through water vapor. Abscissae, precipitable water;… … Fig. 24.— Transmissibility of radiation through water vapor. Abscissae, precipitable water; ordinates, logarithm of transmissibility of radiation at ¥l (1.47 /i). region 0.022 ft in the spectrum. These are approximately the conditions fulfilled by the spectroscope in use at Mount Wilson during 1910…
Infrared spectra · Solar radiation
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