electron Tube Data sheets
	Brown Boveri documents

(up)date	item	size
2007-04-06	Brown Boveri - Tubes d'Émission, Valves Redresseuzez. Thanks to André Cubert.	6,774,816 bytes
2016-02-25	Brown Boveri - Thyristors.	8,982,162 bytes
2016-02-25	Brown Boveri - Electron Tubes.	25,859,702 bytes