(1) Tested Philco Type 41 Tube Date Code 7U Engraved Base Power Pentode Tube

(1) Tested Philco Type 41 Tube Date Code 9U Power Amplifier Pentode Tube

(1) Tested Philco 5Y4G Tube Date Code 08 Philco Engraved Base 5Y4 G Rectifier

(1) Tested RCA Cunningham Type 41 Tube Engraved Base Date Code J12 Power Pentode

(1) Tested Arcturus Type 41 Tube Date Code E5 Arcturus Power Pentode 41 Tube

(1) Tested Philco Type 33 Tube Engraved Base Date Code PB Power Pentode Tube

(1) Tested RCA Type 41 Tube Date Code H6E Meatball Logo Power Pentode 41 Tube

(1) Tested Philco 6B8G Tube Date Code 6S Engraved Base 6B8 G Twin Diode Pentode