6,036 Free Images of Astronomy

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Universal theodolite, made by F Sartorius, Göttingen, c. 1910, TM30123 - Tekniska museet - Stockholm, Sweden - DSC01516

self-published work theodolite

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Lunar ephemeris with dates of full moons for a period of two years - Oriental Institute Museum, University of Chicago - DSC07181

self-published work brown

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