electron Tube Data sheets
	ITT documents

(up)date	item	size
2006-02-02	Picture Tubes 1973/74. Thanks to Robert Schmalstieg.	14,404,107 bytes
2006-02-02	Picture Tubes 1975/76. Thanks to Robert Schmalstieg.	14,386,159 bytes
2008-02-16	Electron Tube and Microwave Device Summary 1970.	50,092,930 bytes