Preliminary studies of the solar corona and prominences with the Harvard coronagraph /
Roberts, Walter Orr.
Preliminary studies of the solar corona and prominences with the Harvard coronagraph / Solar corona and prominences by Walter Orr Roberts. - 95 leaves, [32] leaves of plates : ill., map ; 28 cm.
Title from cover.
Thesis (Ph. D.)--Harvard University, 1943.
Includes bibliographical references.
Thesis (Ph. D.)--Harvard University, 1943.
Photocopy (microfilm blow-back).
28 cm.
Photocopy (microfilm blow-back).
Cambridge, Mass. :
Harvard University Archives,
[1999?]
95, [32] leaves : ill., map ; 28 cm.
Harvard College Observatory. High Altitude Observatory, Climax, Colo.
Coronagraphs--Colorado.
Sun--Corona.
Sun--Prominences.
Preliminary studies of the solar corona and prominences with the Harvard coronagraph / Solar corona and prominences by Walter Orr Roberts. - 95 leaves, [32] leaves of plates : ill., map ; 28 cm.
Title from cover.
Thesis (Ph. D.)--Harvard University, 1943.
Includes bibliographical references.
Thesis (Ph. D.)--Harvard University, 1943.
Photocopy (microfilm blow-back).
28 cm.
Photocopy (microfilm blow-back).
Cambridge, Mass. :
Harvard University Archives,
[1999?]
95, [32] leaves : ill., map ; 28 cm.
Harvard College Observatory. High Altitude Observatory, Climax, Colo.
Coronagraphs--Colorado.
Sun--Corona.
Sun--Prominences.