Category:Comparative test of centrifugal blowers (1911)

Media in category "Comparative test of centrifugal blowers (1911)"

The following 2 files are in this category, out of 2 total.

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  Comparative test of centrifugal blowers (1911) (14579939887).jpg 2,254 × 3,008; 1.3 MB
  
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  Comparative test of centrifugal blowers (1911) (14763227941).jpg 2,099 × 2,880; 1.44 MB