Category:Black and gray electronic devices

Media in category "Black and gray electronic devices"

The following 9 files are in this category, out of 9 total.

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  Amplifier control knobs of Dual-beam Cathode Ray Oscillograph 322-A, DuMont Laboratories, c. 1950s.jpg 1,152 × 1,388; 607 KB
  
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  Analogrechner (30294894355) (cropped).jpg 3,072 × 2,530; 2.93 MB
  
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  Control knobs of Heathkit OL-1 Oscilloscope.jpg 1,146 × 816; 401 KB
  
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  DuMont 304 oscilloscope.jpg 2,149 × 3,130; 2.92 MB
  
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  Grundig oscilloscope W 2-13.jpg 1,334 × 1,921; 1.26 MB
  
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  Hameg HM312.jpg 841 × 1,225; 339 KB
  
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  Heathkit Oscilloscope OM-2.jpg 2,413 × 3,474; 3.04 MB
  
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  Heathkit Oscilloscope.jpg 1,264 × 1,759; 702 KB
  
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  Screen of cathode ray tube of Heathkit Oscilloscope OL-1, 1950s.jpg 782 × 723; 278 KB