Browse Items (1432 total)

Unknown, 18-inch telescope dome, 1894

18-inch telescope dome, 1894

Unknown, 18-inch telescope dome, 1894

18-inch telescope dome, 1894

Unknown, 18-inch telescope dome, 1894

18-inch telescope dome, 1894

Gill, Thomas B., 1915 Pluto Plates, ca. 1915

Plates taken in 1915 by Thomas Gill at Lowell Observatory. Unbeknownst to Gill, these plates contained images of Pluto. The team that discovered…

Roemer, Elizabeth, 1956 c Wirtanen, 1956-1960

Measurements of Comet Wirtanen

Tags: Astronomy, Comets, Elizabeth Roemer, Science, Women

Unknown, 24-inch telescope dome in Tacubaya, Mexico, 1896

Three men standing in front of the Clark Telescope and canvas-covered dome in Tacubaya, Mexico. The Clark telescope was moved out of Flagstaff to…

4"x5" Glass Plate Holder

Brass 4"x5" glass plate holder w/dark slide

Slipher, E.C., 42-inch Lampland Telescope, 1909 ca.

The 42-inch Lampland telescope and its dome.

Lampland, Carl Otto, 42-inch Spectro Radiometer March 1944 - November 1946, March 1944 - November 1946

Logbook covering the work on the 42-inch Spectro Radiometer and Auxiliary Equipment from March 1944 - November 1946

Slipher, E.C., 42-inch Telescope, 1909 ca.

The 42-inch Lampland Telescope. The metal frame of the telescope now sits centrally on Lowell Observatory's campus near the Steele Visitor Center.