Showing Collections: 1 - 5 of 5
Collection
Identifier: GTA-000460
Collection
Identifier: GTA-000461-DS
Scope and Contents
Containing the Description of the Observatory and the Description and Use of the Transit Instrument, and Meridian Circle. New York, Edward Dunigan & Brother. 151 Fulton Street [two copies].
Includes drawings of south elevation, plan of ground floor, section from west to east, and transit instrument.
Dates:
1852
Collection
Identifier: GTA-000462
Scope and Contents
Photochronograph and Its Application to Star Transits. Stormont & Jackson, Printers. Washinton, D.C., 1891.Suggestions Regarding the Application of the Photochronograph. Stormont & Jackson, Printers. Washinton, D.C., 1894.Photochronograph Applied to the Measure of Double Stars and Planets. Stormont & Jackson, Printers. Washinton, D.C., 1894.Sun-Spot Drawings Made at the Georgetown College Observatory in 1850, September 20-November 6 by...
Dates:
1891-1901
Collection
Identifier: GTA-000320-DS
Collection
Identifier: GTA-GAMMS259
Dates:
1909-1967; Majority of material found within 1909 - 1967
