I have a case, maybe more, of new DC300XLs for sale. $3 singles, 2 for $5, $10
for a box of 5, plus shipping.
I also have used DC600s for $1 each
The Tektronix 31 takes a custom small tape. I may have a few around. I used
too but I haven't seen any lately. I will continue to look.
Please reply to me directly at whoagiii(a)aol.com