Al Kossow wrote Re: Mystery 1970 core board: >found it in this MAC-16 ad >https://adspast.com/store/customer/product.php?productid=62927
The MAC-16 in this ad looks odd. The front panel has nothing behind it...or at least, very little. I'm not familiar with the MAC-16, but either the ad has a mock-up of the machine(seems plausible given the tendencies of marketing), or the front panel is a real waste of rack space. The electronics appear to be in a box below the front panel, with only a small area of overlap between the electronics chassis and the front panel, and nothing but air behind it. Is this the way the system was really put together? Rick Bensene The Old Calculator Museum http://oldcalculatormuseum.com
