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Author: Unknown
Subject: Observatories
Subject: Slide-rule extrapolator
Creator
Unknown (1)
Subject
Instruments (1)
Observatories (1)
Slide-rule extrapolator (1)
Smithsonian Astrophysical Observatory (1)
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Showing results 1 - 1 of 1 for
Art objects
SAO Slide-rule Machine
Date:
1931
Creator
: Unknown
Creator
: Unknown
Showing results 1 - 1 of 1 for
Art objects
