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Title: The 100 cm (40 in) refracting telescope in the Yerkes Observatory, Williams Bay, Wisconsin, United States of America
Caption: The 100 cm (40 in) refracting telescope in the Yerkes Observatory, Williams Bay, Wisconsin, United States of America. From Meyers Lexicon, published 1924.
Credit: Album / Universal Images Group / Universal History Archive
Image size: 3427 × 5110 px | 50.1 MB
Print size: 29.0 × 43.3 cm | 1349.2 × 2011.8 in (300 dpi)