Category:Development and tests of a pitometer (1909)

Media in category "Development and tests of a pitometer (1909)"

The following 6 files are in this category, out of 6 total.

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  Development and tests of a pitometer (1909) (14597683830).jpg 3,584 × 2,577; 1.79 MB
  
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  Development and tests of a pitometer (1909) (14782031894).jpg 2,649 × 3,678; 847 KB
  
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  Development and tests of a pitometer (1909) (14782032884).jpg 2,541 × 2,924; 459 KB
  
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  Development and tests of a pitometer (1909) (14782037834).jpg 3,536 × 2,507; 1.73 MB
  
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  Development and tests of a pitometer (1909) (14804243443).jpg 2,551 × 3,734; 433 KB
  
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  Development and tests of a pitometer (1909) (14804244273).jpg 3,584 × 2,495; 1.75 MB