UCH4 Radio Tube
UCH4
image/svg+xml
Openclipart
Radio Tube UCH4
2012-08-24T08:14:12
This is the schematic symbol of an old radio tube from the 1940´s. It´s the UCH4 Triode-heptode.
https://openclipart.org/detail/171871/radio-tube-uch4-by-tomelec-171871
tomelec
electronic
heptode
radio tube uch4
triode