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Showing 121 to 135 of 277 results
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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".…
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Dirt road with hills in background
Unknown location. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of…
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Two adults and a child
Two unidentified adults supporting a young child on a chair, outdoors. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height…
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Group photograph of 25 people, Boyden Observatory
Group of 25 unidentified people, in formal wear, posing outdoors. Boyden Residence at left edge of image. n/a. Extent: 1 glass plate. Size and…
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Group photograph of 4 people, Boyden Observatory
Four people (one seated) wearing aprons, on the garden path of the Boyden Residence. The Transit Enclosure and part of the 8-inch Enclosure visible…
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People outside a stone house
Location unknown. n/a. Extent: 1 glass plate. Size and dimensions of original material: Height 8.2cm, width 10.7cm, thickness 0.3cm. Condition of…
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Group photograph of 8 people, Boyden Observatory
Eight unidentified people (including two small children), between the Residence and Garage. In the background, the rows of dark square poles can be…
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Three people in formal clothes, Boyden Observatory
Two unidentified adults and a child, standing outside. Manicured hedges visible. Boyden Residence at left edge of image. n/a. Extent: 1 glass plate…
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Group photograph of 8 people, Boyden Observatory
Eight unidentified people (including two small children), between the Residence and Garage. In the background, the rows of dark square poles can be…
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Group photograph of 49 people, unknown location
Group of unidentified people in front of low stone building. Bridge and groom standing in the centre. Third from the right (with umbrella) is Mrs…
