MAKE A MEME View Large Image John Bird quadrant.JPG en John Bird quadrant before 1775 from the end of 18th century in Helsinki observatory fi John Birdin kvadrantti 1700-luvun lopulta Helsingin observatoriossa own MKFI 2012-12-01 Collections of the Helsinki Observatory ...
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Keywords: John Bird quadrant.JPG en John Bird quadrant before 1775 from the end of 18th century in Helsinki observatory fi John Birdin kvadrantti 1700-luvun lopulta Helsingin observatoriossa own MKFI 2012-12-01 Collections of the Helsinki Observatory Quadrants instrument 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 Quart de cercle
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