For anyone interested, I've restarted my blog on things I've been doing
with TeleVideo systems, and have the first two parts (out of maybe a dozen
or so planned) up.
http://worldofvax.blogspot.com/2019/01/televideo-systems-part-i.html
http://worldofvax.blogspot.com/2019/01/televideo-systems-part-ii-keyboards.…
Pat