Additional Pictures 


Close-up view of the TMC0524 SCOM (Scanning and Read-Only Memory) Chip used with the SR-52.
PMOS Technology, 28-pin DIP 1,024*13 Bits Instruction ROM with serial interface to Arithmetic Chip,
16 Constants and 2 Registers with 16 digits, and 16-digit display scanning.

If you have additions to the above article please email:

Joerg Woerner, May 2, 2021. No reprints without written permission.