Browse Items (54 total)

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

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

Alvan Clark and Sons, Blueprint of 40-inch Telescope, 1909 ca.

The blueprint for the 40-inch reflector telescope by the Alvan Clark and Sons Corporation. The original lens was ordered at 42 inches but the…

Brashear, John A. Lowell, Percival, Loan agreement for the 18-inch object glass, 1894, 1894

Loan agreement between John Brashear and Percival Lowell for the 18-inch object glass. Lowell used the 18-inch on Mars Hill for one year before…

Grogan, Brian Historic American Buildings Survey, The Rotunda Museum and Slipher Building, 1994

The Rotunda Museum and Slipher Building, photographed by Brian Grogan for the Historic American Buildings Survey in 1994. The Rotunda Museum was used…

Grogan, Brian Historic American Buildings Survey, The back of the Clark Telescope, 1994

The back of the Clark telescope dome with open shutters, photographed by Brian Grogan for the Historic American Buildings Survey in 1994.

Grogan, Brian Historic American Buildings Survey, Slipher Building, 1994

The south side of the Rotunda Museum and Slipher Building showing the first and second floor windows. Originally built in 1916 and used as the…

Grogan, Brian Historic American Buildings Survey, Rotunda Museum and Clark Telescope, 1994

This photograph by Brian Grogan for the Historic American Buildings Survey in 1994 captures the Rotunda Museum with the Clark Telescope in the…

Grogan, Brian Historic American Buildings Survey, The front entrance of the Clark Telescope, 1994

The Clark Telescope's front entrance in 1994, photographed by Brian Grogan for the Historic American Buildings Survey. The dome has had many upgrades…

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…

Grogan, Brian Historic American Buildings Survey, Pluto Dome, 1994

Photograph of the Pluto Discovery Telescope Dome by Brian Grogan for the Historic American Buildings survey in 1994.