Lantern Slide 50: Old Naval Observatory looking northeast. The time ball* mast can be seen on top of the refractor dome. *Not used at Obs. After 1884, but at old State, War, & Navy Bldg. The wing to the south (right) housed the prime vertical (lantern slide #137). It also contained a storeroom and, after 1873, office space and the 26-inch refractor. The wing also housed for a time a refraction circle (1848 – 1861). Photograph about 1888. The Frodsham clock, in the Observatory lobby now, was used in the prime vertical room from about 1850 to 1882 when it was replaced by Howard
Lantern Slide 50: Old Naval Observatory looking northeast. The time ball* mast can be seen on top of the refractor dome. *Not used at Obs. After 1884, but at old State, War, & Navy Bldg. The wing to the south (right) housed the prime vertical (lantern slide #137). It also contained a storeroom and, after 1873, office space and the 26-inch refractor. The wing also housed for a time a refraction circle (1848 – 1861). Photograph about 1888. The Frodsham clock, in the Observatory lobby now, was used in the prime vertical room from about 1850 to 1882 when it was replaced by Howard clock #627. It was bought in 1848 for $420.
Size: 1709px × 1463px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords:
