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Two vacuum electron tubes

Stock Photo:
Image ID: 112215008
Release Information: N/A
Small
294x500 4.1"x6.9" (72dpi) 199 KB
Med
587x1000 2.0"x3.3" (300dpi) 673 KB
Large
1981x3377 6.6"x11.3" (300dpi) 3.2 MB
Super
3962x6754 13.2"x22.5" (300dpi) approx.9.2 MB
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