electron Tube Data sheets
	Heimann documents

(up)date	item	size
2021-12-05	3210 Image Pick-up Tube, 1978, 7 pages.	5,093,138 bytes (de)
2021-12-05	Image Pick-up Tubes, 1978, 8 pages.	3,500,331 bytes
2021-12-05	Heimann_XenonFlashTubes.pdf, 12 pages.	4,862,695 bytes