Interior view of the 60-inch Rockefeller Building, looking west, showing the telescope and observer's platform. The Newtonian secondary mirror assembly is visible. No instrument appears to be installed at the Newtonian focus. Well-composed image. PLB35_0029 and PB13_0017 are similar. n/a. Exte...
Construction of the 60-inch building, seen from the west. The dome slit faces to the left of the image, where a scaffolding has been erected. The roof and wall trusses of the turret are complete. Evenly-spaced slender vertical bars are in place over about half of the walls. A "RANSOME" machine i...
Aerial view of Boyden Observatory site from the north-west.
Scope & Content:
Aerial view of Boyden Observatory site from the north-west. The 60-inch enclosure is being constructed; the turret walls are unclad but a small section of the roofing material is in place. The shrouded telescope can be seen inside. The two ancillary buildings have not been built yet. The electri...
Group photo during 60-inch Rockefeller building construction.
Scope & Content:
Construction site seen from roughly west-southwest. Three groups of people are posing in the cutting into the bedrock within which the 60-inch building will be constructed. 9 people are standing within the cutting, several holding tools. Behind them stands a vertical pipe held in place by suppor...
60-inch Rockefeller building under construction, 1931 November 29.
Scope & Content:
Construction of the 60-inch building, seen from the north-west. The walls and roof trusses of the turret are in place. The south pier can be seen inside the building. The curtain wall of the entrance is partially complete. An American flag flies from a pole, held by an individual, on the roof. S...
The partially completed mount of the 60-inch telescope, seen from the west-northwest looking down into the telescope pit. The polar axis is in place. The declination axis is missing the counterweight and cradle. Two mount components are in the background. The photo is in a poor condition. PB13_0...
Three telescope enclosures seen looking east from the Administrative Building. Left to right, these are the 13-inch Boyden Refractor, the 60-inch Rockefeller under construction, and the 10-inch Metcalf. The wall and roof trusses of the 60-inch enclosure are in place but are still unclad. An Amer...
Construction site of the 60-inch building, seen from the west. The wall trusses are in place. A "RANSOME" machine is visible in the centre of the image. Near the right edge are several containers labelled "ATLANTIC PARAFFIN OIL" and "SHELL". Near the left edge of the frame, several trusses of th...
Interior view of the 60-inch enclosure under construction, looking southwest. A person, dressed like a manual labourer, stands next to the inner shaft of the declination axis, which is suspended by chains. The walls of the turret are unclad; in the background, four telescope enclosures and part ...
The partially completed mount of the 60-inch telescope, seen from the east looking down into the telescope pit. The polar axis is in place. The declination axis is missing the counterweight and cradle. The declination spindle and graduated circle is shown inserted in to the cross head. Two peopl...