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Additional Pictures 

 

This Bedol Checkbook Balancer Calculator was manufactured in China.

The Bedol Checkbook Balancer Calculator is powered by 4 solar cells
and a small LR55 (LR1120) backup battery.


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

© Joerg Woerner, March 26, 2020. No reprints without written permission.