1. EAP1190/1/7/8/12
- Reference (shelfmark):
- EAP1190/1/7/8/12
- Title:
- Plate holder at the Newtonian focus of the 60-inch Rockefeller Telescope
- Scope & Content:
- Oblique view of the plate holder at the Newtonian focus. Maker's mark clearly visible: "J.W.FECKER. / PITTSBURGH.PA: / 1931". Top end of the telescope is shrouded. 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
