I recently made a bizarre ebay purchase from a seller who didn't
realize what he had. He did offer to take it back, but I figure I'll
get some use out of it/them. To wit, I bought, or found out that I
bought

1. An N4-ES without the cursor (he mentioned that)
2. An 800-T, marked as such on the slide, which is CLEARLY an ES, as
yellow as can be. Not only that, it appears to be missing the LL0x
scales, the inverted scales, and basically everything that would be
in red ink. I would say it is on the wrong stock but it is clearly
brand new and the red ink is missing off the stator too, where
the '800-T' is. Are slide rules like stamps, where misprints are
really valuable?
3. An N 531-ES slide on a 902 stock.
4. An N 500-ES slide on a 903 stock.

I would like to know if anyone is interested in parts from #3 and #4
in some sort of swap that gets me closer to having some sort of
cursor for #1. Also, any information about misprinted slide rules.

Thanks,

Jon