electron Tube Data sheets
	Data collected and scanned by Adri de Keijzer †

more to be added soon
(up)date	item	size
2025-09-29	Classification_of_Electron_Tubes issued by Philips Electron Tube Division, 1958.	680,496,166 bytes
2025-10-04	Philips_production_codes	html page
2025-10-04	Philips historical tube data	html page