On Tue, 31 Jul 2001, Tony Duell wrote:
[SF-5000]
  My guess (probably wildly off) is that it's one of
those multi-pole slide
 switches + torch (flashlight) bulbs educational 'computers'. You program
 it by patching wires between the switch contacts, and to the bulbs. 
Good guess! :-)
  'SF' = 'Science Fair'??? Which IIRC
was a name used by Radio Shack for
 educational kits, etc at one time. 
Yes, that's it!  Has anyone written a program to simulate one of these
simple computers?
--
Copyright (C) 2001 R. D. Davis The difference between humans & other animals:
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