Need National Semiconductor MM5740AAE

[Vintage Computer Festival]

I am in great need of a working NS MM5740AAE keyboard encoder.  I have a
Datanetics keyboard with one of these in which testing has led me to
believe it is bad.

I'm willing to pay a reasonable price.  Even getting a whole Datanetics
keyboard with the proper encoder would be welcome.

Please reply off-list if you have one you'd like to sell.  Trades also
considered of course.

Thanks!

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Sellam Ismail                                        Vintage Computer Festival
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International Man of Intrigue and Danger                http://www.vintage.org

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