This is the
CROWTHORNE TUBES

Website

Historic and Collectors Valve Page.

Please ask for a data sheet when ordering, where possible we will supply a copy of the original data sheet.

345		Cunningham CX345. Large (14 cms tall) triode. This valve is faulty and for display only. 10 pounds
PP3/425		Mazda PP3/425. This valve was designed for use as a driver. Vf = 7.5, Va = 425, Ia = 30, Vg = -100, Ra = 10.5 k.ohms. We have 1 testing as new. OFFERS/BIDS Also 1 testing poor for display purposes only. 15 pounds.
PX4		2 pcs MARCONI PX4 in the same style with the fat ST shape glass.