electron Tube Data sheets
	Ferranti documents

(up)date	item	size
2022-06-08	Technical Handbook Volume 1: General, Receiving Valves, Television Tubes, 1961, 389 pages.	82,063,979 bytes
2022-06-08	Technical Handbook Volume 2: Industrial Valves, Microwave Devices, Cathode Ray Tubes, 1961, 379 pages.	97,036,055 bytes