DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The leading TXI- designation on the label
of the Montogomery Ward P300 calculator reveals the manufacturer: Texas Instruments. |
The printed
circuit board (PCB) of the Montgomery Ward P300
aka TXI-8663A carries not only the Texas Instruments logo but even the SR-10 designator. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 30, 2008. No reprints without written permission.