Category:Wheatstones photometer

Media in category "Wheatstones photometer"

The following 3 files are in this category, out of 3 total.

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  Meyers b13 s0026 b1.png 162 × 320; 13 KB
  
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  Wheatstones Photometer 1.jpg 400 × 495; 37 KB
  
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  Wheatstones Photometer 2.jpg 400 × 391; 31 KB