Additional Pictures 


The sales box of a Western Auto 66-4986-7 "Citation" sold in Fall 1978 in the US.

This Western Auto 66-4986-7 "Citation" was manufactured in July 1978 by
Texas Instruments in Lubbock, TX (Date code 2978 LTA week 29 year 1978).

The 66-4986-7 "Citation" is powered by a 9V alkaline battery.

The 66-4986-7 "Citation" manufactured in July 1978 in Lubbock, TX
with the rear part of its housing removed.

Close-up view of the TMC1992 packaged in a
28-pin SPDIP (Shrink Plastic Dual In-line Package).

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, July 6, 2021. No reprints without written permission.