(1) Tested CBS 35B5 Tube with Box Date Code DD Beam Power Output Tube

(1) Tested RCA 35B5 Tube with Box Date Code 213 Beam Power Output Tube

(1) Tested RCA 12DB5 Tube with Box Date Code MI RCA Beam Power Tube

(1) Tested RCA 6DS5 Tube with Box Date Code ND Beam Power Tube

(1) Tested Strong RCA 6BK5 Tube with Box Date Code AY Beam Power Tube

(1) Tested RCA 12ED5 Tube with Box Date Code AF RCA Beam Power Tube

(1) Tested RCA 6CU5 with Box Date Code NF Black Plate Beam Power Pentode Tube

(1) Tested GE 35B5 Tube Date Code 57-04 Beam Power Output Tube (a)