P61
PABC80
PD500
PD510
PF83
PF86
PFL200PFL200 Dual Pentode valve common in TV receivers, combining a power pentode to drive the picture tube cathode and a small signal pentode generally used a the separator for synchronising pulses(9)
PL17
PL212D21Thyratron – miniature, four-electrode, inert-gas-filled thyratron with negative control characteristics for use in relay and grid-controlled rectifier. Miniatur-7-Pin-Base B7G, USA 1940
PL36PL36 British high voltage high frequency switching pentode valve. Used in TV receivers for line output and/or EHT generation up to c1964. Octal base, anode connection cap on the top of the valve. Last consumer electronics use DECCA series DR101,202,303,404,505,606 monchrome receivers(9)
PL504
PL508
PL519
PL805
PL81
PL83
PL84
PY500A
PY80
PY8117Z3
PY8219Y3
PY83
PY88