. Bulletin. Science. Figure io.—Henry Fitz made this 13-inch equatorial refractor in 1861 for the Allegheny Observatory. It is still in use. The University of Michigan has in use a Fitz refractor of similar size. (Photo courtesy Allegheny Observatory) PAPER 26: THREE 19TH-CENTURY AMERICAN TELESCOPE MAKERS 169. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; Unit
. Bulletin. Science. Figure io.—Henry Fitz made this 13-inch equatorial refractor in 1861 for the Allegheny Observatory. It is still in use. The University of Michigan has in use a Fitz refractor of similar size. (Photo courtesy Allegheny Observatory) PAPER 26: THREE 19TH-CENTURY AMERICAN TELESCOPE MAKERS 169. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off
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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience
