Rear view of the 60-inch Rockefeller telescope, looking down into the telescope pit, showing the mirror cell and arrangement of counterweights. Counterweight and polar axis partially visible. South pier and partial view of RA circles visible. Lower part of the dome roof visible. Near the top of ...
Aerial view of Boyden Observatory site from the west-northwest.
Scope & Content:
Aerial view of Boyden Observatory site from the west-northwest. The 60-inch enclosure is being constructed; roofing material is being laid on. The shrouded telescope can be seen inside. The two Engine Sheds have not been built yet. The electrical supply network can be clearly seen. In the north-...
Four people at a railway station [Bloemfontein?] watching a crate being hoisted from an open boxcar. Visible on the crate is "EAST LONDON / SOUTH AFRICA", "HANDLE WITH CARE", and "HCO" [Harvard College Observatory] set in a diamond frame. A crane is visible at right of frame. Several other crate...
Construction of the 60-inch building, viewed most likely from the north. The walls and roof trusses of the turret are in place. The cradle of the telescope tube is being moved into the turret. A man stands on top of the cradle. Inside the turret the upper section of the telescope tube, partially...
J.S. Paraskevopoulos with the polar axis of the 60-inch telescope during construction.
Scope & Content:
John S. Paraskevopoulos is pictured standing next to the polar axis of the 60-inch telescope, inside the partially-completed 60-inch building. The polar axis is suspended by a crane. PB13_0009 and PB13_0032 are the same image, except that the latter has a sepia-like tint. n/a. Extent: 1 photog...
Construction site of the 60-inch building, seen from an elevated position in the west-northwest. The circular wall of the turret is complete and the roof is starting to be assembled. On the left edge of the image the telescope cradle can be seen. Several people can be seen. In the background the...
Construction of the 60-inch Rockefeller building, 1931 July 22.
Scope & Content:
Construction site seen from roughly west-southwest, showing the cutting into the bedrock within which the 60-inch building will be constructed. A metal and wood frame can be seen within the cutting. 13 people are visible. The print has high contrast. PB13_0029 and PB13_0011 are duplicates, and d...
Construction of the 60-inch building, seen from the west. Half of the circular wall of the turret is complete. A small section of the curtain wall in front of the foyer is in place. In the foreground is a large gravel pile and a "RANSOME" machine. There are no people in the image. PB13_0012, PB1...
Three steam wagons carting the 60-inch telescope parts, 1930 June.
Scope & Content:
Three steam wagons with cargo in a field, south of the Boyden Observatory site. The two lead vehicles have four wheels; the last has six wheels, of which the rear pairs are coupled. At least 18 people can be seen. LSB03_0001, PLB35_0010 and PB13_0013 are derivatives. PLB39_0017 is the best versi...
Construction of the 60-inch building, seen from the south-west looking squarely at the entrance. The wall trusses of the turret are complete. Evenly-spaced slender vertical bars cover the outside of the walls, with insets for windows. The curtain wall around the entrance courtyard is complete, w...
