DATAMATH CALCULATOR MUSEUM
|
DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The printed circuit board
(PCB) of a Triumph-Adler Model 80C (EC21) calculator manufactured in
November 1974 with its (mirrored) backside. |
The Keyboard
Module of a Triumph-Adler Model 80C (EC21) calculator manufactured in
November 1974 with its (mirrored) backside. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 1, 2025. No reprints without written permission.