Radio Tube UBL1 vector icon

Radio Tube UBL1 vector icon

Description

Vector illustration of a schematic symbol of an old radio tube from the 1940s. Black and white image of UBL1 Duodiode-Output Pentode.

Categories

Signs&Symbols

License

Public domain

Specs

0.01 MB

2014-05-15

782

Source

Openclipart

Tags

clip art clipart electronic output pentode radio tube ubl1 duo diode electronics control sign icon symbol diagram drawing black white svg openclipart