Two Cunningham CX345 balloon tubes

The CX345 was first version of 245 tube

Made in 1930's USA

Equalivent to UX245 & type 45 tubes

Tubes test at 900 and 1100 where 1430 micromhos is pass/fail

The plates are slightly different color due to different manufacture dates

Large square rectangle foil getter

One tube has loose adhesive particles in base

Clean pins

FULL TEST RESULTS :

-Tube #1= 900 micromhos and 19.2 mA plate current

-Tube #2= 1100 micromhos and 20.4 mA plate current

NO SHORTS / NO GAS

For reference:

Tubes Tested on Westmore 501 (Triplett 3444) tube tester calibrated by Paul Hart

For reference:

Type 45 tubes: Spec (new) = 2200 micromhos and 36 mA plate current

Type 45 tubes: 1430 micromhos and 23.4 mA = pass/fail grade (65% of Spec value)

* I take photos with camera flash and also no camera flash to show all detail

USA = usps priority or ground advantage

International = UPS FedEx or global post 7 day delivery signature or 14-21 day delivery global post depending on your location