DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This SEC navtronic 1701 was manufactured in USA in 1981. |
The printed circuit board (PCB)
of the navtronic 1701 with six IC's: National Semiconductor MM5782, MM57129 and (unknown manufacturer) ITC1200, ITC1210, ITC4800, 2*ITC5028. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 3, 2008. No reprints without written permission.