Category:Communication equipment in the National polytechnic museum, Sofia

Media in category "Communication equipment in the National polytechnic museum, Sofia"

The following 5 files are in this category, out of 5 total.

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  ATG - NPTM Photothon 100.jpg 6,016 × 4,016; 15.07 MB
  
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  ATG - NPTM Photothon 101.jpg 6,016 × 4,016; 14.92 MB
  
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  ATG - NPTM Photothon 99.jpg 4,016 × 6,016; 14.86 MB
  
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  SiemensSwitchboard.jpg 6,000 × 4,000; 8.52 MB
  
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  TeletypeSofia.jpg 6,016 × 4,016; 15.33 MB