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Vacuum tube - old electronic component, semiconductor device, the predecessor of the transistor

Stock Photo:
Image ID: 17373070
Release Information: N/A
Small
334x500 4.6"x6.9" (72dpi) 91 KB
Med
667x1000 2.2"x3.3" (300dpi) 344 KB
Large
2304x3456 7.7"x11.5" (300dpi) 3.8 MB
Super
4608x6912 15.4"x23.0" (300dpi) approx.16.9 MB
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