Sylvania VT-25-A / Type 10

TRIODE TYPE TUBE

POWER/OUTPUT TUBE

RADIO VACUUM TUBE

VINTAGE STOCK

Coke Bottle Shape

Clear Glass

Black Plate

Bottom Foil-D Getter

Plastic Base

**BROWN BASE**

Label Printed on Base

TESTED STRONG

MADE IN USA

DATE CODE: 3 F

TESTED on HICKOK TV-7

Results: 85

Minimum: 50