Unknown location. A long building on a slight rise in shown. Resembles holiday apartments. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of original material: Stable. Author(s)/Creator(s): English. Scribe(s): La...
A path following a grass verge through a heavily planted area. Several palms and utility poles visible. Resembles a botanical garden. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of original material: Stable. Au...
Boyden Plate Box 25: Solar eclipse, 1940 October 01
Scope & Content:
Two photographs of the Sun during a total eclipse. Faded pencilled notes on the plate box presumably secures the date and the location: "Sun (1940, Oct 1) 5 inch Voightlander lens" and "Murraysburg (eclipse) 1.5-inch Ross lens". n/a. Extent: 2 glass plates. Size and dimensions of original mat...
A photograph, held in place with drawing pins on a wooden background, showing the totally eclipsed Sun. Location unknown. Date taken from enclosure. PLB25_0001 and PLB25_0002 are of the same object. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7...
A photograph, held in place with drawing pins on a wooden background, showing the totally eclipsed Sun. Location unknown. Date taken from enclosure. PLB25_0001 and PLB25_0002 are of the same object. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7...
Boyden Plate Box 27: Comet Peltier, zodiacal light, and reproductions
Scope & Content:
Two images of astronomical objects are presented in this set of images: Comet Peltier, imaged in 1936, and the zodiacal light, imaged in 1932. The latter plate, however, appears fogged, rendering the subtle zodiacal light all but impossible to make out. A faded pencilled note on the plate box re...
A comet on a trailed star field. Written on the plate: "Comet Peltier / 21h 21m -25.0° / Aug 6-7, 1936 / J.P's Voigtländer Camera attached to 10" MF / Exp. 2h (16:00 - 18:00 Sid.T.)". The JP mentioned in the caption is probably J.S. Paraskevopoulos, Director of the observatory 1927-1951. n/a. ...
A star field. Written on the plate: "Zodiacal Light. / -11° from 4:42 - 6:12 / (Morning of April 6-7, 1932) / Exp. 1h:30 - (beg. 4:42 end. 6:12)". Deterioration of the emulsion has resulted in uneven bright patches, making it very difficult to distinguish between the glow of the zodiacal light a...
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...
Assembling the observing platform of the 60-inch Rockefeller Telescope.
Scope & Content:
The view from inside the partially-completed 60-inch dome, looking approximately east, showing the assembled observing platform of the Rockefeller Telescope. The trusswork of the dome is not clad, and the dome rollers can be seen. Four persons are standing on the platform and two at its base. No...