Front panel switches - what did they do?

Chuck Guzis cclist at
Tue May 24 17:56:25 CDT 2016

On 05/24/2016 02:52 PM, Ethan Dicks wrote:

> So if not Multiwire, perhaps Unilayer.  They are similar but visibly 
> distinguishable.

Hitachi Chemical still seems to be active in this area:


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