Category:20-foot telescope

Media in category "20-foot telescope"

The following 4 files are in this category, out of 4 total.

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  Astronomy; a 40-foot telescope constructed by W. Herschel Wellcome V0024766.jpg 2,708 × 2,652; 3.51 MB
  
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  Télescope de 20 pieds de Herschel.jpg 646 × 531; 77 KB
  
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  Voyage in Space page093.jpg 1,463 × 1,619; 230 KB
  
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  William Herschel's Twenty-Foot Reflecting Telescope HIN430.jpg 2,850 × 2,842; 2.25 MB