Small 4-pen plotters was Re: *updating* 8088's
Roy J. Tellason
rtellason at verizon.net
Tue Nov 27 11:05:31 CST 2007
On Monday 26 November 2007 18:39, Tony Duell wrote:
> Incidentally, remember those little 4-pen plotters that Radio Shack used
> in the CGP115, Commoodore used in the 1520, etc, etc, etc. The pen
> up/down solenoid in those is magnetically-latched. A pulse of one
> polarity puts the pane on to the paper, a pulse of the other polarity
> lifts it off again.
Speaking of those, I have somewhere one of those that is branded IBM. It's
missing a power supply, and the connector where said supply goes in is a bit
odd, not something I recall ever seeing anywhere else. Anybody know where I
might pursue some info on that thing? I'm thinking that at worst I can
probably hard-wire something into it...
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James
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