The 24-inch Bruce Telescope, seen from the north-west from inside the enclosure. The lower half of the tube, the polar axis and cross head, and part of the declination axis counterweight are seen. The arrangement of smaller counterweights at the rear of the tube are well shown, and the plate hol...
Boyden Observatory Monthly Weather Logs: 1970 December to 1974 February.
Scope & Content:
Monthly summary sheets, covering the period 1970 December to 1974 February. Time sheets, giving the names of observers, telescopes used, partner observatory and/or project name, and the number of hours of work per night, also include comments about weather conditions, for each day of the month. ...
Majority of images concern the ADH Telescope: it's arrival at Bloemfontein railway station, Bart and Priscilla Bok at the station, and transport of the components in crates by a lorry to the observatory site. Includes a rare view of the construction of the ADH enclosure. Other photos show the 24...
A valuable series of images documenting progress, during May 1932, on the assembly of the 60-inch telescope and mounting. Of particular interest is an earlier image of 3 steam wagons carting the 60-inch telescope parts to the site. n/a. Extent: 18 glass plates. Size and dimensions of original...
Printed label: "HARVARD COLLEGE OBSERVATORY". Hand-written: "No. B' 37 / 18 / Astron. Lab. Plate / 60[inch] Dome Mt Wilson Solar Observatory". 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 materia...
The eastern aspect of the Residence, looking up the hill. In the foreground, a garden has been laid out, marked out by rocks. One garage door is open and a vehicle can be glimpsed inside. PB13_0047 and PB13_0049 are the same image, except that the latter has a sepia-like tint. PLB02_0005 is the ...
Side view of the north pier, lower polar axis, and back-end of telescope. Fecker name plate visible. PLB18_0004 and PLB18_0001 appear almost identical; PLB18_0008 is related. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Co...