Keywords: Meridiaanikone 3.JPG en Meridian circle in the Meridian hall of the Helsinki observatory Made by Reichenbach und Ertel and Utzschneider und Fraunhofer ca 1820-1829 fi Meridiaanikone Helsingin observatorion Meridiaanisalissa Reichenback und Ertelin ja Utzschneider und Fraunhoferin noin vuosina 1820-1829 valmistama own MKFI 2012-12-01 Collections of the Helsinki Observatory Meridian instruments 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 Utzschneider und Fraunhofer Files by User MKFI ImageNote 1 2309 1134 938 2315 3456 5184 2 thumb ImageNoteEnd 1 |