Additional Pictures 


The printed circuit board (PCB) of the German LETTERlogic
 makes use of the TMC0273 single-chip microcomputer and 
an external TMC0355 (CD2604) 128kBit "Speech-ROM".

The PCB of this United Kingdom LETTERlogic is almost identical but 
makes use of a TMC0355 (CD2601) 128kBit "Speech-ROM".

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, February 13, 2005. No reprints without written permission.