Labels:banner | bridge | bulletin board | earth | poster | record player | sky | stairway | tower | windowpane OCR: The brainchild of the father of. stellar astronomy: Pad William Herschel's reflecting telescope. Herschel made his own mirrors for his telescopes because they were 100 LATER DEVELOPHENTS 6008 800 expensive DEVELOPMENTS Europc 1600s 1800
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