electron Tube Data sheets
	Marconi documents

(up)date	item	size
2002-08-04	Marconi Valves. 44 pages valve data from around 1932. ☆Brian Clark☆	6,319,862 bytes
2008-06-04	Marconi Valves Catalogue. ☆Tomas Montero☆	1,974,943 bytes
2009-11-26	Marconi Receiving Valves 1938. ☆Tomas Montero☆	4,103,321 bytes