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1P40=930 RCA NOS 1960 era (Photocell)
1P40=930 RCA NOS 1970's (Photocell) (3 in stock)
1P41=924 RCA Photocell 1957
1P42 Photocell
1P5GT National Union NOS 1950's (119/60) (strong emission)
1P67
1Q5GT Tungsol NOS 1940's (100/60)
1Q5GT Tungsol NOS 1940's hairline crack in base (97/60)
1Q6
1R4 US Brands NOS (4 in stock)
1R4=VT-183 Sylvania used/tests like new (50/40)
1R5 US Brands NOS (25 in stock)
1RK31 IEC Japan NOS (5 in stock)
1S2A=DY87 US Brands (10 in stock)
1S4 US Brands NOS (30 in stock)
1S5=DAF91 US Brands NOS (15 in stock)
1SA6GT Emerson NOS (sold out)
1T4=DF91 RCA used/good (2 in stock)
1T4=DF91 Rogers Canada 1960's
1T4=DF91 US Brands NOS (10 in stock)
