A similar but different one given out in the UK at the Electronics
Design Show in 1991 was from Allegro Microsystems on a slice of
silicon.
I just put it on the scanner but the resulting scan does not do it justice
http://www.collection.archivist.info/archive/Allegro.jpeg
if anyone knows Allegro/Sprague mask numbers it has
003793P AP82248A 89
at the top edge
Dave Caroline
On Thu, Sep 23, 2010 at 9:30 PM, Jules Richardson
<jules.richardson99 at gmail.com> wrote:
E. Groenenberg wrote:
Well the guy who handed them out may have needed a trolly or something
similar to carry then and be able to hand them out at every visit....
Take one, and lots of backups on tape... :-)