Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 82
... observed the deflec- tions of the galvanometer . The galvanometer was connected to the pyranometer by a pair of wires about a half mile long . Simul- taneously observations were made on Mount Wilson with the pyrheli- ometer to determine ...
... observed the deflec- tions of the galvanometer . The galvanometer was connected to the pyranometer by a pair of wires about a half mile long . Simul- taneously observations were made on Mount Wilson with the pyrheli- ometer to determine ...
Сторінка 83
... observed during the day before and during the night , and continued his observations each minute throughout the totality and the succeeding partial phase up until about two hours after sunrise . Dr. Abbot had set up and adjusted the ...
... observed during the day before and during the night , and continued his observations each minute throughout the totality and the succeeding partial phase up until about two hours after sunrise . Dr. Abbot had set up and adjusted the ...
Сторінка 87
... observation . Hith- erto the new method has enabled us to save at Calama a number of days of observation which , owing to the obvious changes in trans- parency of the atmosphere , due to formation or disappearance of clouds , would ...
... observation . Hith- erto the new method has enabled us to save at Calama a number of days of observation which , owing to the obvious changes in trans- parency of the atmosphere , due to formation or disappearance of clouds , would ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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