pondlife Retro Guru Feedback View Feb 28, 2011 #1 http://www.os2.dhs.org/~john/catalogs/Columbus-tubes.pdf
Old Ned Old School Grand Master Mar 14, 2011 #2 Very interesting, I've just acquired a more recent version, probably early 90's, with a whole lot more tube varieties shown.
Very interesting, I've just acquired a more recent version, probably early 90's, with a whole lot more tube varieties shown.
Old Ned Old School Grand Master Mar 14, 2011 #4 pondlife":cftf60oz said: do share.....please Click to expand... A lorra lorra scanning! But I'll see what I can do.
pondlife":cftf60oz said: do share.....please Click to expand... A lorra lorra scanning! But I'll see what I can do.
