Half Wave and Full Wave Rectifiers II

U50 5Y3GT U52 5R4GY CV717 5U4G U10 U12 U14 U18/20 EZ80 EZ81 EZ90 6CA4 6X4 80 etc

Philips 1821 clear glass £150 pair.

Philips 1821 clear glass £ 200 three pieces.

Philips BVA balloon 1821 £ 150 pair.

Philips BVA balloon 1821 £ 250 quartet.