Practical Wireless "Easy-Writer" -a TV Typewriter workalike for the British market.
I've recently dug through my pile of Practical Wireless magazines and come across something that may be of interest in the 1976 issues...
View attachment 22410
It's a construction guide with PCB layouts for a TV Typewriter like project, that comes in four parts. I only have parts one and four at the moment but I've found the rest on ebay and I'll be uploading scans to archive.org as I go.