Illustration of the Tower Telescope, Mount Wilson

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. Author(s)/Creator(s): English. Scribe(s): Latin. Publisher(s): Left-to-Right. Editor(s): Unrestricted. Volume number: N/a. Original institution reference: LSB04_075_2000.