Archival records from Endangered Records in the Boyden Observatory Archive (EAP1190-1)
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Showing 901 to 915 of 1,066 results
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Plate holder of the 13-inch Boyden Refractor
Interesting view of the 13-inch Boyden Refractor, looking more-or-less along the tube, with the plate holder foremost. n/a. Extent: 1 glass plate.…
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Michiel J. Bester with Sky Patrol camera
Michiel J. Bester with Sky Patrol camera, looking south-southeast. Rails on the paved ground for a run-off roof. A second instrument enclosure (…
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74-inch Radcliffe Reflector, Pretoria
Interior of the 74-inch building at Radcliffe Observatory, Pretoria, showing the telescope and polar axis, from the north-west. The telescope is to…
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Pinned up photograph of the 74-inch Radcliffe Reflector in the Grubb-Parsons workshop
A photograph, held in place with drawing pins on a wooden background, showing the 74-inch Radcliffe Reflector in the Grubb-Parsons workshop.…
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74-inch Radcliffe Reflector, Pretoria
Interior of the 74-inch building at Radcliffe Observatory, Pretoria, showing the north pier, the RA assembly and the mirror end of the telescope,…
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The 24-inch Bruce Telescope with open roof and two people, 1931
The 24-inch Bruce telescope and enclosure, seen looking north-northeast. The roof is open and the telescope is east of the pier, pointing north-…
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Adjusting the 13-inch refractor (3 of 3)
Three people inside the 13-inch building, at the eyepiece end of the 13-inch refractor, which is pointed nearly vertically. The back end of the…
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Installing the polar axis of the 60-inch Rockefeller Telescope
Interior view of the 60-inch Rockefeller building under construction. The polar axis of the mount is suspended by a crane and is positioned near…
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Installing the polar axis of the 60-inch Rockefeller Telescope
Interior view of the 60-inch Rockefeller building under construction. The polar axis of the mount is suspended by a crane and is positioned near…
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60-inch Rockefeller north pier and drive
The north pier of the 60-inch Rockefeller, showing the RA wheel & circle, a short section of the polar axis, and the drive assembly with the…
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60-inch Rockefeller mirror cell and tube
The primary mirror cell and lower portion of the telescope tube. The J.W. Fecker nameplate is partially visible at the top of the image; it is…
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60-inch Rockefeller mount under construction
Looking down into the pit of the 60-inch Rockefeller, facing roughly south. The polar axis and declination counterweight are in place, as is the…
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The plate holder at the Newtonian focus of the 60-inch Rockefeller Telescope
Side view of the plate holder of the 60-inch Rockefeller Telescope. The telescope tube is covered by a white shroud. A hand controller can be seen…
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The plate holder at the Newtonian focus of the 60-inch Rockefeller Telescope
Side view of the plate holder of the 60-inch Rockefeller Telescope. The telescope tube is covered by a white shroud. A hand controller can be seen…
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The plate holder at the Newtonian focus of the 60-inch Rockefeller Telescope
Direct view on the plate holder of the 60-inch Rockefeller Telescope. Engraved on the holder is "J.W. FECKER. / PITTSBURG. PA: / 1931".…
