THE TRIAL MOUNTINGF OR THE GREAT RUSSIAN TELESCOPE IN PULKOWA RUSSIA - CONSTRUCTED BY MESSRS ALVAN CLARK & SONS 1883
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4-7-1883
THE TRIAL MOUNTINGF OR THE GREAT RUSSIAN TELESCOPE IN PULKOWA RUSSIA - CONSTRUCTED BY MESSRS ALVAN CLARK & SONS 1883
Date Time : 2009:06:14 14:53:53