DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The different printed circuit board (PCB) technologies used with a Royal LCB 830
(upper row) and LCB 835 (lower row) Checkbook Calculator.


horizontal rule

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

© Joerg Woerner, February 27, 2020. No reprints without written permission.