One Tested 6L6G National Union Large Bottle Audio Receiver Radio Power Vacuum Tube 

Country of origin: USA

Production era: Estimate 1950s

Model:   6L6G

Manufacturer: National Union

Type:   power

Plates: black, grid radiators

Spacers: two

Base type:  octal 8 pin

Getter frame: dimpled foil

Getter flash: side

Stencils: very good

Condition:  excellent

Usage (estimate):  New

Cartons: NA