12450Re: [midatlanticretro] Re: Donner 3500 Analog Computer
- Apr 30, 2009
>I wonder if the metal handles were an option or homebrewed? I have a
> I have two of these...one is a Donner 3500 and the other is a Systron-Donner 3500. They are pretty much alike. However, the one on ebay has three major difference...it doesn't seem to have any potentiometers at the top, the patchboard has an opening for the fan and it has metal handles on the top instead of leather straps on the side.
full-page magazine ad (I'm not clear on the issue/date, but it's from
when the 3500 was new) ... it includes a nice picture and shows the
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