50 Watt Oscillator Vacuum Tube
by damauk - uploaded on November 8, 2013, 6:37 pm
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
Log into OpenClipart
- Tags
- amp amplifier boken electrical electronics oscillator tube vacuum
- Safe for Work?
- Yes
0 Comments. Please login to comment or add your own remix.