Assemblage the 50-foot interferometer mount at Santa Barbara Street, Pasadena, for use at the 1923 Pt. Loma eclipse. The interferometer mount is being constructed outside of a building at the Mount Wilson Observatory's Pasadena facility. A construction worker is standing in front of the steel mount, looking at the camera. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Interferometers Welded steel structures Astronomical instruments Buildings Brickwork Roofing, Tile Windows Construction workers--United States Astronomical observatories Mount Wilson Observatory Pasadena (Calif.) Photographic prints. (gmgpc)
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