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| View Original: | Pulkoworefraktor.jpg (1979x2491) | |||
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| Keywords: Pulkoworefraktor.jpg en the Big Refractor 14m of the astronomical observatory in Pulkowo built 1884 by A Repsold Söhne in Hamburg de Der Große Refraktor 14m des Astronomischen Observatoriums Pulkowo hergestellt 1884 von A Repsold Söhne in Hamburg own Schrajo Aus J A Repsold Zur Geschichte der astronomischen Meßwerkzeuge Bd 2 S 42 Leipzig 1914 Historical astronomical instruments A Repsold Söhne | ||||
