6BH6,ZAERIX, BOXED NEW, 6661, CV3908, AS USED, MARANTZ 8B, 7C

GZ34, Mullard, Fat Base, f31 B1C, Blackburn 1951 manufacture

220OT, COSSOR, BALOON ENVELOPE, 220HPT, ARP1, CV1118, NR39, PM22A, PP2, PT2, Pen220, PenB1, VR118

41MXP, COSSOR, BALOON ENVELOPE, TRIODE, ML4, PA1, 41FP, AC/P, 104V, TT4, LF4, 41MP, AC/P1, 054, CV1689, CV1161, CV1458, (Copy)

CV378, MILITARY SPEC GZ37, MULLARD, IS2 B2H2 BLACKBURN MITCHAM PRODUCTION, AUGUST 1962, WHITE PRINT, EX BBC VALVE STORES, BROKEN SPIGOT

ECC32, MULLARD, BLACK BASE,