Category:Troughton & Simms

Subcategories

This category has the following 2 subcategories, out of 2 total.

Media in category "Troughton & Simms"

The following 16 files are in this category, out of 16 total.

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  Airys Transit Circle.jpg 976 × 1,632; 943 KB
  
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  Alt-Az Telescope by Troughton & Simms.jpg 2,139 × 2,944; 897 KB
  
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  Astrograph by Troughton & Simms.jpg 800 × 749; 318 KB
  
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  Azimuth instrument, 1870 1.jpg 2,592 × 3,888; 2.57 MB
  
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  Azimuth instrument, 1870.jpg 2,592 × 3,888; 2.62 MB
  
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  Dip circle and optical telescope, national maritime museum.jpg 2,592 × 3,888; 2.5 MB
  
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  G Turnbull - boxed ruler 1853.jpg 553 × 266; 95 KB
  
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  Imperial Standards of Length, Greenwich.jpg 3,119 × 2,079; 5.94 MB
  
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  Micrometer Microscopes for Measuring the Altitude of the Airy Transit Circle (Side of Transit Circle, by Troughton & Simms, 1850).jpg 924 × 953; 894 KB
  
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  Reflecting circle, Troughton and Simms, London, c. 1826 - Putnam Gallery - Harvard University - DSC07902.jpg 3,428 × 3,639; 5.25 MB
  
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  Slide rule designed by William Froude, manufactured by Troughton & Simms, 1877 - Science Museum, London - DSC05598.jpg 3,535 × 4,805; 2.86 MB
  
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  Spectroscope for Bidston equatorial telescope, World Museum Liverpool.jpg 600 × 800; 112 KB
  
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  Sundial, St Michael's Mount - geograph.org.uk - 231919.jpg 640 × 480; 98 KB
  
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  Sundial, St Michael's Mount.jpg 3,648 × 2,736; 4.12 MB
  
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  Transactions (1871) (14783441585).jpg 1,970 × 2,718; 533 KB
  
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  Wesleyan University - Fisk Theodolite 01.jpg 2,848 × 4,288; 4.51 MB