Pertinent factors in the design of a filter for the 16-inch Coronagraph
By: by John W. Evans
Series: Special report / Harvard University -- no. 33; Special report (Harvard University) -- no. 33.
Publisher: Harvard University
Published: 1950
Place of publication: [Cambridge, Mass.]
Language: eng
Subjects: Observations; Corona; Instruments; Coronagraphs; Astronomical instruments; Design and construction
Notes: At head of title: Harvard University.

"Published under AMC contract W19-122ac-17 for the establishment of a solar observatory at Sacramento Peak, New Mexico."