LOT OF 9 USA MADE 5663 Vacuum Tube GE Thyratron VINTAGE TESTED D shape Getter

Lot of 9 tubes 5663 ALL CLEARLY MARKED 5663 AND MADE IN USA

ONLY TESTED FOR CONTINUITY ALL HAVE GOOD FILAMENT

I DONT HAVE A TESTER TO TEST THESE BUT SEE MY FEEDBACK CAME FROM A LARGE LARGE OF LOT OF VERY GOOD TESTED TUBES AND MANY NOS TUBES