Biblio
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Author Title Type [ Year] Filters: Keyword is optic and Author is Douglass, A.E. [Clear All Filters]
“An Automatic Optical Photograph, Abstract”. Publications Of The Astronomical Society Of The Pacific. Publications Of The Astronomical Society Of The Pacific.
. 1919. Douglass, AE_An Automatic Optical Photograph_1919.pdf (1.21 MB)