On Sat, 7 Nov 2020, Clem Cole wrote:

> >  My memory is hazy, but I thought that the daisy wheel printers I knew 
> >  (Qume Sprint\5) also had proportional spacing. 
> 
> I never used that brand.   [...]

The daisywheel that I used (Fujitsu?) definitely was fixed-width 
(Courier); I used it a lot with WordStar on CP/M.

-- Dave