Description
More details on associated web page:
Ionization Gauge Tubes, Bayard-Alpert Type Bayard-Alpert Design and Dual Tungsten or Burn-out Resistant Iridium
Ion Gauge Tubes, Bayard-Alpert Type Bayard-Alpert Design and Dual Tungsten or Burn-out Resistant Iridium
Ion gauge adaptor flange Use this to adapt ion gauge tubes to a 2 3/4" Conflat flange.

