DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The backside of the TR3 gives a standard slide rule. |
A magnification of one part of the slide rule. |
The battery pack of the TR1, TR2 and TR3 calculators. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 5, 2002. No reprints without written permission.