Dorno, C. Ausstattung moderner Strahlungsobservatorien, Braunschweig, Vieweg u. Sohn, 1926. 10x7”, 13pp+ an interesting illustrated section, “Bilder aus dem Physikalisch_Meteorlogischen Obervatorium, Davos”, which has 9 photo illustrations of the instruments, 6 of which have numbered glassine overlays to help with the identifying legend for the plate. Original wrappers. There is a 2”-long 1”-square bit missing from the upper right corner. Provenance: U.S. Weather Bureau (1932), and the Library of Congress, with a stamp on the reverse of the title page and on the back cover. Good copy, though the text is bright and fresh. $45
“The latter work aims at uniformly comprehending the whole economy of atmospheric light, that is to say, establishing what has become of the incident solar radiation, and what sort of charges it has undergone with regard to intensity, have been devoted to the perfection of recording methods measurements in the foregoing years. These efforts arrived at an almost complete success, as has been shown in “Progress in radiation measurements” published in the Monthly Weather Review in 1922, according to which Davos is the first place in the world to continuously record the total exchange of heat by radiation during the course of a whole year”. --Monthly Weather Review, March 1924, pg 150
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