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

RUBON, PURATONE, 1924, PIP-TOP, FILAMENT O/C, DISPLAY ONLY,

SP2, TRIOTRON,

SS210D, MARCONI, Glove Envelope, Battery Triode, 210DET, 210LF, A214, CV502, HL2, HLB1, K30D, K30E, L21, L210, L2, PM1LF, PM2DL, PM2DX, SD2,TB102, TB172,

TD2, TRIOTRON, 210LF, L210, L2,

TD2, TRIOTRON, 210LF, L210, L2,

TUNGSRAM, MR41, NICKEL BASE, PIP-TOP, 1927, FILAMENT O/C, DISPLAY ONLY,

TUNGSRAM, MR41, NICKEL BASE, PIP-TOP, 1927, FILAMENT OK,

TYPE BH, RAYTHEON, COLD CATHODE RECTIFIER, GLOBE ENVELOPE 1933

U10, GEC, BOXED, 1821, DW2, TESTED, HAMMERSMITH AUGUST 1954 PRODUCTION

UD2, TRIOTRON, SUPER POWER, GLOBE ENVELOPE, 2V FILAMENT, TRIODE

UNIVERSAL BI-VOLT, DARIO, 2V FILAMENT,, TRIODE, 1929, BOXED

UY-227, RCA, Radiotron, Globe, UY227, MESH ANODE, Mesh Plate, 27,

VR19, COSSOR MANUFACTURED, AIR MINISTRY, MATCHED PAIR, PM2, 10E/7846

VR19, COSSOR MANUFACTURED, AIR MINISTRY, MATCHED PAIR, PM2, 10E/7846

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR19, MILITARY, PM2, CV1019, NR28 10E/7846,

VR21 ,210LF, L21 ,Medium Impedance LF , Detector, Triode ,B2 filament

VR21, 210LF, AR9, CV1021, CV1307, L21, L2, 10E/7738, BATTERY OUTPUT TRIODE, NEW BULK PACKED

VR22 , OSRAM, AIR MINISTRY, 10E/7958, GLOBE ENVELOPE, 220PA, CV3643, LP2, P220, PM2A

WERMACHT BAL GLOBE ENVELOPE AZ12 BY RATRON CONVERTED TO B4 BASE

XD1, HIVAC, MINIATURE DETECTOR VALVE