Category:Vajen-Bader smoke masks

Media in category "Vajen-Bader smoke masks"

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

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  St John Ambulance Museum, Unley (8715828763).jpg 1,000 × 667; 75 KB
  
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  Vajen Fire and Breathing Helmet, c. 1880 - Museum of Science and Industry (Chicago) - DSC06477.JPG 3,433 × 4,420; 7.55 MB
  
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  Vajen Helmet, c. 1910, The Vajen Helmet Co., invented by Willis C. Vajen in 1896 - Museum of Science and Industry (Chicago) - DSC06641.JPG 3,648 × 5,472; 9.54 MB