Rectifier

This Chatham Electronics 866A NOS Vapor Mercury Rectifier Tube, is for Vintage Gear.   This Tube is new in the original box.  I will guarantee this tube to be to your satisfaction. 

This RCA 866 NOS Mercury Vapor Rectifier Tube, is for Vintage Gear.   This Tube is new in the original box.  I will guarantee this tube to be to your satisfaction. 

This RCA 866 Used Mercury Vapor Rectifier Tube, is for Vintage Gear.   This Tube is Used in the original box.  I will guarantee this tube to be to your satisfaction. 

This RCA 3B28 NOS Rectifier Tube is a Replacement for the 866A, for Vintage Gear.  This Tube was new in the original box but the box got wet and was disposed of.  The 3B28 is a much better rectifir tube that the 866A mercury vapor type...

This RCA 5557 New in Box Thyratron Mercury Vapor Triode, is a rare find. Newer versions of this tube do not have the quality of this original RCA. Description 5557 THYRATRON TUBE HIGH SENSITIVITY SPARK PROTECTION TUBE FOR HIGH FREQUENCY MACHINE...