Browse Items (54 total)

Slipher, E.C., Clark Telescope, ca. 1909

The Clark Telescope is the oldest telescope at Lowell Observatory. Photographed in 1909 by E.C. Slipher, it has played an important role in research…

Unknown, Clark Telescope, Undated

Photograph of the 24-inch Clark Telescope in its dome on Mars Hill. This equipment is the oldest on Lowell Observatory's campus, built in 1896.…

Unknown, Clark Telescope, Undated

A weathered image of the Clark Telescope dome's interior.

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.

Slipher, E.C., Clark Telescope and other instruments, 1909 ca.

The Clark Telescope photographed by E.C. Slipher is shown with instruments for observation.

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

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

Alvan Clark & Sons, Clark Telescope Drawings, 1895-1896

Various original drawings of the 24-inch Clark Telescope by Alvan Clark & Sons

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 on Mars Hill, ca. 1897

After a trip to Tacubaya, Mexico in search of better viewing conditions, Percival Lowell returned to Flagstaff with the Clark Telescope in 1897, where…

Grogan, Brian Historic American Buildings Survey, Clark Telescope view from inside the dome, 1994

Photograph of the Clark Telescope and the dome's interior. Photographed by Brian Grogan in 1994 for the Historic American Buildings Survey, this…