Browse Items (54 total)

Unknown, Percival Lowell and staff on steps of 24-inch dome, 1905

Percival Lowell and staff on the steps of the 24-inch Clark telescope dome in 1905. Back: Harry Hussey, Vesto M. Slipher; Middle: John C. Duncan,…

Unknown, Sykes Brothers working on 24-inch dome, ca. 1896

Godfrey and Stanley Sykes working on the 24-inch Clark Telescope dome. The Clark is the oldest telescope on the observatory's campus, built in 1896.

Unknown, View from Percival Lowell's garden, Undated

Percival Lowell's garden with Baronial Mansion and 24- inch Clark Telescope in the background, depicting the early history of Lowell Observatory's…

Unknown, Percival Lowell's Mausoleum, 1925 ca.

Percival Lowell's Mausoleum with the 24-inch Clark Telescope in the background. After Percival Lowell's death, his widow Constance drained a…

Unknown, View of Clark Telescope from early Flagstaff, ca. 1898-1900

The Clark telescope on Mars Hill seen from an early Flagstaff, Arizona. Founded in 1894, Lowell Observatory was built in the small town of Flagstaff…

Unknown, Slipher Building Basement, 1915-1916 ca.

Construction of the basement of the Slipher Building, which served as the administrative building at Lowell Observatory.

Unknown, Clark Telescope in Mexico, ca. 1896-1897

The Clark Telescope in a canvas-covered dome in Mexico in 1896. The dome closely resembles the Clark's current wooden dome. Although the move was only…

Unknown, Clark Telescope and mount in Mexico, ca. 1896-1897

The Clark Telescope and its mount in Mexico in 1896. The Clark was housed in a canvas covered dome in Tacubaya, Mexico.

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…

Slipher, E.C., Clark Telescope and Planetary Cameras, 1908

The Clark Telescope with planetary cameras, photographed by E.C. Slipher in 1908.