2nd from left: Bart J. Bok. 6th from left: Michiel J. Bester. P0604 and P0117 are duplicates. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s): Latin. Publisher(s): Left-to-Right. Editor(s): Unrestricted. Volume number: N/a. Ori...
Unusual view of Boyden Observatory, looking south-east from the Garage.
Scope & Content:
The Residence is at extreme right, and the Office Building at left. Left of centre is the Stevenson screen. The north and western sides of the Transit Building can be seen. Cloudscape. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness ...
Two males with a mounted three-camera instrument and a small telescope
Scope & Content:
Two unknown males next to an equatorial fork mount, carrying three cameras, on a temporary stand. One male is seated, the other is squatting. On the far left is a small telescope on a tall tripod. On the far right is a plank of wood, planted vertically, carrying a mechanical device consisting of...
Group photo during 60-inch Rockefeller building construction, 1931 July 16
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...
The 8-inch Bache Doublet and Herbst (Pulkovo) Transit buildings, 1931.
Scope & Content:
The 8-inch Bache Doublet building, seen facing south-east. The roof is open and the upper part of the telescope and mount is visible. The telescope is dark in colour, and is on a fork mount. To the right (south) is the building of the Herbst (Pulkovo) Transit. In the midground are three roughly ...
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...
A closeup view of one of the wheel units for turning the telescope turret. The circular wall, rail, wheel unit, and part of the turret trusswork, is shown. Several of the truss elements have annotations in white. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2...
Log Book: 13-inch Boyden Refractor Spectrum Plates: B, A, F stars (Book B)
Scope & Content:
Three lists of HR stars, of young spectral type, for a programme of spectral photography. Entries are followed by pencilled-in plate numbers. All pages are crossed out, sometimes with "Re-written" written across the page. No dates appear in the book. However, the co-ordinates are given for epoch...
6 people and 1 dog posing for a group photograph. Lady fourth from left holds a tripod-mounted box camera. White dot glued on at bottom-left of slide. n/a. Extent: 1 lantern slide. Size and dimensions of original material: Height 8.2 cm, width 10.2 cm, thickness 0.2 cm. Condition of original...