Two point-contact germanium diodes in glass package on green printed circuit board. Closeup of electronic components in striped tube on a PCB detail.

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Retro electrical component with germanium crystal and metal wire semiconductor junction

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Size: 7000px × 3937px
Location: Czech Republic
Photo credit: © KPixMining / Alamy / Afripics
License: Royalty Free
Model Released: No

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