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vacuum tubes
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Format
JPG 300 DPI
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Author:
dreamstime
License:
buy for Personal Use & Commercial
File Type:
JPG
Views:
times
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amplifier
cathode
closeup
component
device
diode
electric
electrical
electricity
electronic
equipment
glass
isolated
lamp
macro
metallic
obsolete
old
oldie
power
radio
retro
science
style
technology
tube
vacuum
valve
vintage