Vintage DuMont Labs 3DP1A Cathode Ray Tube CRT NOS NIB - BangyBang Tubes
Brand: DuMont Labs.
Type: Premium Vintage Cathode Ray Tube.
3" CRT with central deflection electrode for J-type indicators. Pip deflection pin in the middle of the screen. Depending upon the factory printing of a custom scale, a two-character suffix is added. S2 suffix stays for a 0 to 5 circular scale decal.