F32

GZ34, 5AR4, F32

Mullard

Branded Sylvania

5AR4, F32

Mullard

Branded TriadAmperex

5AR4

Mullard

Branded Ge

GZ34, F32

Mullard

Branded Glotron

5AR4, GZ34, F32

Mullard

Branded Marconi Radiotron

GZ34, 5AR4, F32

Mullard

Branded AmperexHewlett Packard

GZ34, 5AR4

Mullard

Branded The Fisher

GZ34, 5AR4, F32

Mullard

Branded Telefunken

GZ34, 5AR4

Mullard

Branded Raytheon

GZ34, 5AR4

Mullard

Branded Iec Mullard

5AR4, F33

Philips

Branded Rogers

5AR4

Branded National Electronics

GZ34, 5AR4

Branded Zaerix

GZ34, 5AR4

Branded Sonotone

GZ34, 5AR4, F33

Branded Amperex

GZ34, F32

Branded Valvo

GZ34, F32

Branded Mullard

GZ34, 5AR4, F31

Branded Amperex

U77, GZ34, 5AR4

Branded Genalex

GZ34, F32

Branded Philips

GZ34, 5AR4, F33

Branded Mullard

GZ34, F32

Branded PhilipsMiniwatt