DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The printed circuit
board (PCB) of the SR-56 (right) is shared with the SR-50A Version 2 (left) and SR-51A Version 2 (center). |
The "Clock Generator
Patch Area" of two SR-51A Version 2 calculators
manufactured in April 1976 (left) and November 1976 (right). |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 21, 2023. No reprints without written permission.