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Filters: Keyword is optical and Author is Douglass, A.E.   [Clear All Filters]
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A
Douglass, AE. 1919. An Automatic Optical Photograph, Abstract. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.
PDF icon Douglass, AE_An Automatic Optical Photograph_1919.pdf (1.21 MB)
O
Douglass, AE. 1915. An Optical Photograph. The Astrophysical Journal XLI (No. 3). The Astrophysical Journal.
PDF icon Douglass, AE_An Optical Photograph_1915.pdf (13.21 MB)