Charles Abbot carrying his radiometer on Mount Wilson, outside the galley in front of the 100-inch telescope dome. Abbot is wearing a suit and a hat; his face is obscured from the camera. He is standing on a dirt walkway that leads to the 100-inch telescope observatory building, seen in the background. Trees line the walkway. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Abbot, C. G. (Charles Greeley), 1872-1973 Astronomers Scientists Meteorological instruments Radiometers Mount Wilson Observatory Astronomical observatories Observatories Observatory domes Sidewalks Trees Suits (Clothing) Hats Portrait Photographs. (aat) Photographic prints. (gmgpc)
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