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William Herschels 40foot Telescope Built 178589 Wood Engraving Published 1877 High-Res Vector Graphic - Getty Images
![Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. | Wellcome Collection Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. | Wellcome Collection](https://iiif.wellcomecollection.org/image/V0024766/full/full/0/default.jpg)
Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. | Wellcome Collection
![Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century - SuperStock Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century - SuperStock](https://www.superstock.com/cdn/1746/Comp/1746-111928860.webp)
Engraving depicting William Herschel's giant telescope which had a focal length of 40-feet. William Herschel (1738-1822) a German-born British astronomer and composer. Dated 19th century - SuperStock
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Description of a Forty-Feet Reflecting Telescope. - [HERSCHEL'S FAMOUS 40-FOOT TELESCOPE] by "HERSCHEL, WILLIAM. | Lynge & Søn ILAB-ABF
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William Herschel's Reflecting Telescope with Focal Length of 40 Feet, Slough, England, 1809' Giclee Print | Art.com
![Amazon.com: William Herschel 40 Foot Telescope 1880s Poster Print by Science Source (24 x 36) : Home & Kitchen Amazon.com: William Herschel 40 Foot Telescope 1880s Poster Print by Science Source (24 x 36) : Home & Kitchen](https://m.media-amazon.com/images/I/81hJCngx2DL._AC_UF894,1000_QL80_.jpg)
Amazon.com: William Herschel 40 Foot Telescope 1880s Poster Print by Science Source (24 x 36) : Home & Kitchen
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Sir William Herschel Great 40 foot telescope reflecting telescopes 1785 1789 Observatory House Slough England primary mirror Stock Photo - Alamy
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