tune a tube tester

Who do you suggest I contact to calibrate my tube tester. Its a Dyna-Jet 707.

thanks.

m-

mdomnick10-29-2005 3:41pm

mdomnick OP Details Discussions Posts This discussion Message User 332 posts 11-04-2005 at 12:45am Copy Comment URL Report Comment Edit Delete is there a location I can get instructions?
mdomnick OP Details Discussions Posts This discussion Message User 332 posts 11-06-2005 at 05:57pm Copy Comment URL Report Comment Edit Delete thanks.