Quote:
Originally Posted by Sandy G
It was a new in box Westinghouse WL 676. 4 prongs on the base, & a top cap.
|
A mercury vapor thyratron, used in various types of industrial equipment (welders, motor speed controls, etc.). If interested, the datasheet for RCA's version available here:
http://scottbecker.net/tube/sheets/049/6/676.pdf