Boyden Observatory and the Chachani volcanic group, Arequipa, Peru

Printed label: "HARVARD COLLEGE OBSERVATORY". Hand-written: "No. O 1019 / Arequipa Station. / Showing Chachani.". White dot glued on 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 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_026_1901.