*FantasticTubes !!!

* 
One pair, circa 1950+/-, U.S.A. made by Tung-Sol,
'Black Glass' type 6V6GT vacuum tubes
as pictured.

Condition:
No original carton, selling as used tubes

Silk-screening:
Please refer to photo(s)

Painted designations:
none
none

Date codes:
0-43
50-?

Tubes feature black glasses, copper grids and bottom-mount 'Rectangular' getters construction.

Tubes appear identical in construction i truly believe.

*

Hickok TV-7B/U* tested

@ 63       65

minimum acceptable value for a good tube:
46

*Hickok TV-7B/U is a mutual conductance(Gm) type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.

Satisfaction Guaranteed! 

*FantasticTubes !!!