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Additional Pictures 

 

An early SR-16 with only two
digit drivers.

An late SR-16 with a whole bunch
of additional diodes.

A late SR-10 with a similar arrangement
of the components for your reference.

First TMS1000 in a SR-16 introduced in the year 1974 and a late 
"TP0456 Single-chip calculator IC" based on the C-MOS version of the TMS1000.

The final design of the SR-16 replaced lots of components 
by simple wires. Please notice the different display type.


horizontal rule

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

Joerg Woerner, March 25, 2002. No reprints without written permission.