What's the rarest or most unusual computer-related item do you own?

On 1/15/17 7:20 PM, Alan Perry wrote: Good luck with that. I tried with my rarest, and they claimed they already had one. Someone mentioned Vectrex, which isn't all that rare. However, my one-off homebrew S-100 Vectrex interface is rare enough. Basically it's just dual ported ordinary memory with a bit on the S-100 side that says whose turn it is to use the memory. Another rare item is my Texas Instruments SR-22 calculator. It does full floating point in decimal, hexadecimal, and octal. Scientific notation is in the same base, with an octal point and base-8 exponent, for example. Burroughts E1400 deskside unit for the accounting machine. It's 1966 vintage, and has a couple core planes. I have the printset, too. It makes a dandy table, and hasn't seen any moving electrons (or holes) for 30 years. The local museum refused it, though. -- Jeff Woolsey {{woolsey,jlw}@jlw,first.last@{gmail,jlw}}.com Nature abhors straight antennas, clean lenses, and empty storage. "Delete! Delete! OK!" -Dr. Bronner on disk space management Card-sorting, Joel. -Crow on solitaire