New old stock Mullard 1960's vintage British made military issue QV04-7 CV309 (in some cases called QE04-10 ) tubes. These are in the original factory crates and individually boxed a shown.
Offers on this item considered for quantity 25 or more.
This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.
For more information on this tube type, please see http://www.mif.pg.gda.pl/homepages/frank/sheets/030/q/QE04-10.pdf