Threshold NS10 schematic - Is this the original N.P. version?

Threshold NS10 schematic - Is this the original
NS10.jpg
 
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1978 - before CAD and personal computers. Scientific calculators were new, replacing slide rules. Cell phones? Forget about it. Perhaps in the imagination of kids reading Dick Tracy comics (Dick Tracy had a wrist watch two way radio). Those were the days. 🤓
 
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