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William Herschel's 40 foot reflecting telescope Copperplate engraving From the Encyclopaedia Londinensis or, Universal dictionary of
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Herschel's 40-foot Telescope Canvas Print / Canvas Art by Royal Astronomical Society/science Photo Library
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Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. | Wellcome Collection
William Herschels 40foot Telescope Built 178589 Wood Engraving Published 1877 Stock Illustration - Download Image Now - iStock
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William Herschel's 40 foot telescope at Slough, Berkshire, 1795. at Science and Society Picture Library
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