What are these IBM 'thingys'
wdonzelli at gmail.com
Tue Oct 26 23:57:42 CDT 2010
> I recall decks of cards that were used to identify plants, birds,
> etc. Holes along the edges; you inserted knitting needles according
> to observed characteristics and shook the deck. The cards left on
> the needles (or maybe the ones that fell out; I can't recall) were
> your candidates.
Yes, that is the idea. Apparently the women that used to do this were
very fast, and could do a sort in a blink of an eye.
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