Category:Radio equipment in the National polytechnic museum - Sofia, Bulgaria

Media in category "Radio equipment in the National polytechnic museum - Sofia, Bulgaria"

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

• 
  ATG - NPTM Photothon 102.jpg 6,016 × 4,016; 15.55 MB
  
• 
  ATG - NPTM Photothon 103.jpg 6,016 × 4,016; 14.53 MB
  
• 
  ATG - NPTM Photothon 104.jpg 6,016 × 4,016; 15.54 MB
  
• 
  ATG - NPTM Photothon 105.jpg 6,016 × 4,016; 14.59 MB
  
• 
  Philips-1928.jpg 1,738 × 2,882; 2.23 MB