Category:Heathkit IO 4550 oscilloscope

Media in category "Heathkit IO 4550 oscilloscope"

The following 4 files are in this category, out of 4 total.

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  Heathkit io 4550 electrostatic CRT@0.25x.jpg 1,788 × 962; 155 KB
  
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  Heathkit io 4550 hv pcb.jpg 895 × 1,195; 481 KB
  
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  Heathkit io 4550 repair 1.jpg 2,162 × 2,162; 422 KB
  
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  Heathkit io 4550.jpg 3,576 × 2,012; 509 KB