Category:Tests of flexible gas tubing (1919)

Media in category "Tests of flexible gas tubing (1919)"

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

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  Tests of flexible gas tubing. (1919) (14760035556).jpg 2,224 × 2,808; 2.28 MB
  
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  Tests of flexible gas tubing. (1919) (14760036616).jpg 2,216 × 2,808; 2.48 MB
  
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  Tests of flexible gas tubing. (IA testsofflexibl1919133mcbr).pdf 929 × 1,418, 50 pages; 4.07 MB