TRIODES & PENTODES B4 B5 BASED FROM 1920'S & 1930'S

ML4, OSRAM, GREEN PRINT,

MULLARD, DFA1, 1927, PIP-TOP, FILAMENT O/C, DISPLAY ONLY,

MULLARD, HF, BRIGHT FILAMENT VALVE

OCTRON, 2V 0.1A TRIODE, 1927, FILAMENT OK,

PA1, Brimar, STC, 3B/100B , 41MP, CV1689, POVT125, New Boxed, Triode, Power Output Valve Audio Amplifier

PEN220, MAZDA, GLOBE ENVELOPE, 220HPT, 220OT, ARP1, CV1118, NR39, PM22A, PP2, PT2, Pen220, PenB1, VR118 AS USED IN TR9H,

PEN220, MAZDA, GLOBE ENVELOPE, 220HPT, 220OT, ARP1, CV1118, NR39, PM22A, PP2, PT2, Pen220, PenB1, VR118 AS USED IN TR9H,

Pen220A, MAZDA, GLOBE ENVELOPE, 220PT, COSSOR, CV1051, PM22C, Pen220A, 220PT, VT-51, VT51

PM11, MULLARD, PIP TOP, GLOBE ENVELOPE, FILAMENT HAS CONTINUITY

PM11, MULLARD, PIP TOP, GLOBE ENVELOPE, FILAMENT HAS CONTINUITY

PM12, MULLARD, NIB, 215SG, PM12, VR18, CV1018, FOR TR1082, TR9D, R1093,

PM1H Mullard, triode, B2 filament

PM2, MULLARD,

PM2, MULLARD, B4, GLOBE ENVELOPE, 220P, CV1019, NR28, P215, VR19,

PM2, MULLARD, GLOBE ENVELOPE

PM2, MULLARD, GLOBE ENVELOPE

PM202, MULLARD, GLOBE ENVELOPE, 220SP, CV185, P220A, P2

PM22A, MULLARD, K70B

PM22A, MULLARD, GLOBE ENVELOPE,

PM254, MULLARD, GLOBE ENVELOPE, CV1153, CV1154, NR16, NR16A,

PM2B, MULLARD, BALLOON ENVELOPE,

PM2B, MULLARD, GLOBE ENVELOPE,

PM2B, MULLARD, GLOBE ENVELOPE,

PM2B, MULLARD, GLOBE ENVELOPE,

PM2D, MULLARD, GLOBE ENVELOPE

PM3, MULLARD, B4, GLOBE ENVELOPE, CV1151 ,NR15

PM5B, MULLARD, AS USED IN ORGOLA SENIOR

PM6, MULLARD, GLOBE ENVELOPE

PM6D, MULLARD, B4, GLOBE ENVELOPE, 6V FILAMENT, TRIODE

PN2,, HERCULES, GLOBE ENVELOPE, BASE TOP CAP

PT4D, FERRANTI, BOXED, AC2/Pen/DD, DDPP4B, DN41

RADIO MICRO, RADIOLA, 1924, FAT ENVELOPE, NICKEL BASE, FILAMENT O/C DISPLAY ONLY,