Search

032-004402810

471. EAP1190/1/6/11/69

Reference (shelfmark):
EAP1190/1/6/11/69
Title:
Graph of unknown significance.
Scope & Content:
Plot of pen deflection vs. [interference] fringe number. May be the result of an optical test, a measurement made with the coelostat, or something else. P0657 and P0658 are duplicates. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

472. EAP1190/1/6/11/70

Reference (shelfmark):
EAP1190/1/6/11/70
Title:
Graph of unknown significance.
Scope & Content:
Plot of pen deflection vs. [interference] fringe number. May be the result of an optical test, a measurement made with the coelostat, or something else. P0657 and P0658 are duplicates. n/a. Extent: 1 photograph. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

473. EAP1190/1/7/17/11

Reference (shelfmark):
EAP1190/1/7/17/11
Title:
3 people at a gate, outside a house
Scope & Content:
Three unidentified people sitting/leaning on a gate. A house with a stoep is in the background. PLB34_0011 and PLB34_0008 are taken at the same location. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of original m...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

474. EAP1190/1/7/18/1

Reference (shelfmark):
EAP1190/1/7/18/1
Title:
The 24-inch Bruce telescope and drive mechanism
Scope & Content:
The 24-inch Bruce Telescope, seen from the south-west from inside the enclosure, showing the north pier with the drive mechanism uncovered. The telescope tube is on the right (east of the pier). Near the bottom of the tube a nameplate is visible, reading "J. W. FECKER / PITTSBURGH PA / 19[38?]" ...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

475. EAP1190/1/7/18/37

Reference (shelfmark):
EAP1190/1/7/18/37
Title:
The 10-inch Metcalf Triplet with open roof
Scope & Content:
The 10-inch Metcalf Triplet, seen facing east-southeast. The roof is rolled open, and the door in the western wall is also open. The south pier of the mounting can be seen. The three telescopes (and mounting) have a dark colour. The first plate with this instrument was taken 1927 September. Thre...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

476. EAP1190/1/7/22/3

Reference (shelfmark):
EAP1190/1/7/22/3
Title:
Adult with child on a chair, Boyden Observatory
Scope & Content:
Unidentified child standing on a chair, supported by an adult Hedges and palm visible in background. PLB40_0002, PLB40_0003, PLB40_0005, and PLB40_0007 are related. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

477. EAP1190/1/7/15

Reference (shelfmark):
EAP1190/1/7/15
Title:
Boyden Plate Box 32: Boyden Observatory, 60-inch dome construction
Scope & Content:
A collection of images, from June 1931 to June 1932, showing progress on the construction of the turret for the 60-inch telescope at Boyden Observatory. Of special interest are two images which show the truss work being assembled in Johannesburg in the yard of the manufacturer. A faded pencilled...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
15

478. EAP1190/1/7/18

Reference (shelfmark):
EAP1190/1/7/18
Title:
Boyden Plate Box 35: Boyden Observatory, telescopes (Set 1)
Scope & Content:
A collection of images of several of the original telescopes at Boyden Observatory, providing a valuable record of the early equipment. Of particular interest is an image of 3 steam wagons carting the 60-inch telescope parts to the site. The telescopes depicted are the 60-inch Rockefeller Reflec...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
38

479. EAP1190/1/4/1/7

Reference (shelfmark):
EAP1190/1/4/1/7
Title:
Test plate: Milky Way field centred in Crux
Scope & Content:
Plate number 9356. 20-minute exposure with the ADH Telescope, for tests. Observer initials: MN. Plate centre: 12h 55m, -60° 02'. Field of view: 2.9° wide. The brightest star in the image is beta Crucis. The Jewel Box (NGC 4755) is just below-centre. Extent: 1 glass negative in envelope. Condit...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1

480. EAP1190/1/5/2/1

Reference (shelfmark):
EAP1190/1/5/2/1
Title:
Mount Wilson Solar Observatory: 60-inch telescope.
Scope & Content:
Three labels. Along left edge a printed label: "MOUNT WILSON SOLAR OBSERVATORY / A 24 Sixty-inch Reflecting Telescope from the east". Top-right corner has a small rectangular label with "14" written on it. At bottom-left is a white circular label. n/a. Extent: 1 lantern slide. Size and dimens...
Collection Area:
Endangered Archives Programme
Languages:
Not applicable
Date Range:
1891-1994
Extent:
1