What is this crazy sci-fi looking device I bought at a salvage store? It has knobs, a compass, and a bizarre spinning top. [more inside]
posted by agropyron on May 28, 2009 - 9 answers

What exactly does a Telxon 718 do? It looks like a way-back calculator but only has plus, minus, and a few weird, presumably abbreviated, button markings. Any guesses as to what it does? Video within. [more inside]
posted by vanoakenfold on Apr 5, 2008 - 13 answers

What is this implement? [more inside]
posted by fire&wings on Sep 7, 2006 - 40 answers

Amherst College wants to know: what is this thing?
posted by Vidiot on Apr 19, 2004 - 17 answers