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Subjects
Observations, Corona, Instruments, Astronomical instrumentsPlaces
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Book Details
Edition Notes
Title from cover.
"Presented before National Academy of Sciences, Providence, R. I., October 1939; The American Philosophical Society, Philadelphia, PA., November 1939"--Verso of cover.
"Published in The Bell System Technical Journal, vol 19., pp. 249-261, april 1940"--Verso of cover.
Reprint.
Includes bibliographical references.
The Physical Object
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History
- Created May 28, 2023
- 2 revisions
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May 7, 2025 | Edited by MARC Bot | import existing book |
May 28, 2023 | Created by MARC Bot | Imported from Harvard University record |