4 Sep
2014
4 Sep
'14
1:41 a.m.
* Bill Gosper <billgosper@gmail.com> [Sep 03. 2014 18:54]:
[...]
So the images cited above where plotted in the 1970s? <Jörg
Yep, 180dpi Xerographic printer (UV crt discharges selenium cylinder). Same machine on which DEK developed TeX and Metafont. Zoom in. See the jaggies? But no developer beads. I was a good day. Those pages were cut from a roll *after* printing. (I wonder if the Computer History Museum has one.)
Regarding plotters (also with cut after print): http://jjj.de/tmp-rwg/jj-r25-poster.jpg (photo taken 10 minutes ago). The curves of higher order can only be meaningful displayed with such sizes, A3 (even with 1200 dpi) is just not enough.
[...]