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Additional Pictures 

 

The sleek housing of the Litronix Checkmate 1002.

This Litronix Checkmate 1002 was manufactured in 1972 in Malaysia.

 

The battery case of the Litronix Checkmate 1002.

The dismantled Litronix Checkmate 1002 with the Klixon keyboard.

The backside of the printed circuit board (PCB) of the Litronix Checkmate 1002.

The printed circuit board (PCB) Litronix Checkmate 1002 with
unmarked Integrated Circuits and three LED Display modules.

Close-up of the three LED Display modules.


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If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, January 7, 2018. No reprints without written permission.