Exhibit by the Lowell Observatory, Flagstaff, Arizona [at the] Boston Public Library
Contributors: Boston Public Library
Publisher: [s.n.]
Published: 1915
Place of publication: [s.l.]
Language: eng
Number of pages: 22
Subjects: Astronomy; Exhibitions; Observatories; Lowell Observatory
Notes: Cover title.

List of 48 items.

"These transparencies represent some of the discoveries of fact and of photography made at the observatory"--P. [1].