DATAMATH CALCULATOR MUSEUM
This SR-50 was manufactured
in December 1974 by
|The printed circuit board
(PCB) of the SR-50 is centered
around the TMC0501 / TMC0521 building blocks.
logo found on the pouch of the SR-50.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, May 29, 2016. No reprints without written permission.