Georgetown University Archives
Georgetown University Archives, Booth Family Center for Special Collections, Washington, D.C.
Mainly records of observations, some in German. Box 1 includes: Photographic Transits: Completion of Time of Transit (3 ledgers); and latitude plates (7 notebooks). Box 2 includes: Atlas Stellarun Variabilium, Supplementa [manuscript - Fr. J. G. Hagen's name appears on front page]; Transit Instrument of the Georgetown College Observatory. Periodic and Progressive Errors of the Micrometer Screw used in our Latitude Work, Etc. (first volume of our publications) [manuscript]; Magnitudines Stellarum, Series Prima. Limites Declinationis: -25 et 0 [manuscript]; Suggestions Regarding the Application of the Photochronograph. Stormont & Jackson, Printers, Washington, D.C., 1894; Observations of Variable Stars Made in the Years 1884-1890. Part I. The Observations. J.G. Hagen, S.J., Director of the Georgetown College Observatory. Washington D.C., 1901; Atlas of Titanium Arc Spectrum from 2120 A to 8675 A, by George V. Coyne, S.J., 1959; and Matiner IV, Photographs of Mars, July 14, 1965 - Property of Georgetown College Observatory.
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