Roy J. Tellason wrote in a message to all:

 RJT> I just noticed,  after cleaning a bunch of stuff off my desk, 
 RJT> that the chips are still in the bag here,  I thought I'd put them
 RJT> in with my other parts. 

 RJT> Included in that bag are also a couple of red LEDs,  and some
 RJT> other bits including:

 RJT> 2 1N4001 rectifiers
 RJT> 2 small-signal diodes (marked, but I can't make it out even with
 RJT> my stronger magnifying glass)
 RJT> 2 1N4733 5v/1w zener diodes
 RJT> 1 CA747 (dual op amp?) chip
 RJT> 1 LM3900 (quad comparator?) chip
 RJT> 1 NE565 PLL chip
 RJT> 3 741 op amp chips
 RJT> 2 LM310 buffer chips
 RJT> 1 555 timer chip
 RJT> 1 311 op amp chip
 RJT> 1 LF356 FET-input op amp chip

 RJT> I wonder what they had in mind when they put this together?

RTTY for C64 or other micro?
I have a schematic here somwhere with a line-up like that, sure it's an
RTTY black box.

Regards,
Peter 
--- timEd 1.10.y2k+