. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. SMITHSONIAN REPORT, 1901. ABBOT. PLATE IV. LUNAR CRATER THEOPHILUS AND SURROUNDING REGION. PHOTOGRAPHED BY G. W. RITCHEY, WITH THE FORTY-INCH VISUAL TELESCOPE, YERKES OBSERVATORY. EXPOSURE ONE-HALF SECOND. SCALE ABOUT 1 METER TO LUNAR 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 resemb


. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. SMITHSONIAN REPORT, 1901. ABBOT. PLATE IV. LUNAR CRATER THEOPHILUS AND SURROUNDING REGION. PHOTOGRAPHED BY G. W. RITCHEY, WITH THE FORTY-INCH VISUAL TELESCOPE, YERKES OBSERVATORY. EXPOSURE ONE-HALF SECOND. SCALE ABOUT 1 METER TO LUNAR 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. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution


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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840