Hello Geoff, I saw something very similar when I was in the RAF at RAF Neatishead Norfolk, as a radar engineer in the late 60's. The machine engineering shop was trying to convert a Harrison lathe, and I can remember they used a Creed 7b teleprinter, 5 unit baudot code, the sort of printer you saw on the BBC football results in the late 60's early 70, as the means of holding the lathe program. They got it going after a sort, but the comms blokes kept nicking it when they were short of printers in the comms room. So there was real punch ups between comcen and engineering workshops.....bloody noses on the 5 unit tape, but heyho that is progress.
By the way, I am on holiday for a week, at the village of Neatishead this week and have visited the RAF meuseum, and there is a pic of the Harison lathe with the teleprinter connected to it.......happy times........and no blood on it........����