DATAMATH CALCULATOR MUSEUM
|Both versions of the Longines
Symphonette Version 1
calculators side by side.
|This Longines Symphonette Version 1
calculators with the serial number
D1000-20495 makes use of the creme colored Datamath housing.
|The printed circuit board (PCB) of
the late Longines Symphonette
calculator gives an expected manufacturing date of February 1973.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, March 6, 2004. No reprints without written permission.