MAKE A MEME View Large Image Argelanderin refraktori 4.JPG en Detail of the telescope mount with a clockwork mechanism for matching the motion of the celestial sphere on Argelander's refractor from ca 1820-1835 preserverd in Helsinki observatory western rotunda fi ...
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Keywords: Argelanderin refraktori 4.JPG en Detail of the telescope mount with a clockwork mechanism for matching the motion of the celestial sphere on Argelander's refractor from ca 1820-1835 preserverd in Helsinki observatory western rotunda fi Argelanderin refraktori valmistettu noin 1820-1835 museoituna Helsingin observatorion länsirotundassa Jalustan yksityiskohta kellokoneisto käänsi putkea tähtitaivaan liikkeen tahdissa own MKFI 2012-12-01 Collections of the Helsinki Observatory Refracting telescopes Equatorial mounts 2012 in Helsinki December 2012 in Finland Taken with Canon EOS 60D Taken with Canon EF-S 15-85mm F3 5-5 6 IS USM Files by User MKFI
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