74-inch Radcliffe enclosure. Circular mask. White dot glued on at bottom-left. 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 material: Stable. Author(s)/Creator(s): English. Scribe(s): Latin. P...
Printed label: "HARVARD COLLEGE OBSERVATORY". Hand-written: "No. AA325 / Mount Harvard - Looking north / 15". 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 material: Stable. Author(s)/Creator(s):...
Printed label: "MOUNT WILSON SOLAR OBSERVATORY / A 29 / The 150-foot Tower Telescope from 60-foot Tower". Hand-written on small label: "15 / 9". 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 mater...
Printed label: "MOUNT WILSON OBSERVATORY / A 73 / The Hooker Telescope [with] the Cassegrain spectrograph from the west.". Round sticker: "4". Rectangular sticker: "19". Two damaged stickers: "25", ".5". n/a. Extent: 1 lantern slide. Size and dimensions of original material: Height 8.2 cm, wi...
Illustration of the Tower Telescope, Mount Wilson.
Scope & Content:
Printed label: "HARVARD COLLEGE OBSERVATORY.". Hand-written: "No. B2 / Tower Telescope. Schematic", "Copied B2 / now PP = D 20123". 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 material: Stable. ...
Harvard's eclipse station at Willows, California, USA.
Scope & Content:
Printed label: "HARVARD COLLEGE OBSERVATORY.". Hand-written: "No. N 132 / Harvard Eclipse Station Willows. Calif". Harvard's eclipse station at Willows, California, USA, led by Pickering, to observe the total solar eclipse of 1889 January 01. n/a. Extent: 1 lantern slide. Size and dimensions ...
Illustration of the 200-inch Mt. Palomar Telescope.
Scope & Content:
Printed label (badly damaged): "HARVARD COLLEGE OBSERVATORY.". Hand-written: "Potter drawing .. 200-in telescope .. Palomar". A green star-shaped sticker is attached to one corner of the slide, with "5" written on it. n/a. Extent: 1 lantern slide. Size and dimensions of original material: Hei...
Printed label (badly damaged): "HARVARD COLLEGE OBSERVATORY.". Hand-written: "Mt. Palomar 200-in. dome". A green star-shaped sticker is attached to the label. 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 ...
Printed label: "BI 75. The two-foot reflecting telescope. (166) / YERKES OBSERVATORY: 100 Representative Slides.". 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 material: Stable. Author(s)/Creato...