45 Sylvania tube pair power tubes black plate silver foil getter hanging 

2 tubes 45 Sylvania made in USA,  tested on tube tester Funke W19S 

test results 

tube 1 = 11,5mA  Wizard 

tube 2 = 11,5mA  Sylvania 

(reference good at 9mA)

tested also on tube tester TV7D/U 

tube 1 = 70  Wizard 

tube 2 = 60  Sylvania 

(reference good at 47) 

box 167

pair 6