50 Watt Oscillator Vacuum Tube
Description
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
License
More about SVG
Size 0.03 MB
Date: 11/11/2019
No. of downloads: 91
Illustration taken from "THE RADIO AMATEUR'S HAND BOOK" 1922.
Size 0.03 MB
Date: 11/11/2019
No. of downloads: 91