Vintage Glass Electron Tube Model 932 MPN 932 Electronic Component Made in USA
Vintage Glass Electron Tube Model 932 MPN 932 Electronic Component Made in USA
BECKMAN 932 electrometer vacuum Tube – NOS
Sylvania 1229 For Beckman 932 Electrometer Tube Rare Black/Yellow Glass NOS NIB
These tubes are Sylvania’s clearly as the base says Sylvania on it with the Beckman label on top of it. These tubes have black coated glass on the bottom and yellow glass visible, where it’s not coded on top, which is very unique.
BECKMAN ~ 932 ~ VINTAGE ELECTROMETER TUBE
Beckman 932 rare Electrometer tube tetrode Untested
This tube is untested.
