10 Apr
2000
10 Apr
'00
4:37 p.m.
When I worked in a UNIX shop, somebody told me that
wrinkled aluminum foil would work. I've never tried
this, but it seems plausible.
Jeff
On Mon, 10 Apr 2000 21:10:26 +0200 "Sipke de Wal" <sipke(a)wxs.nl> writes:
On very white paper ! (Should be white to IR)
(There is a lot of chalk on premium Inkjet
paper that may do)
On my Sun 3/80 mouspad the lines are 1 mm
apart
and 0.1 to 0.2 mm thick
Sipke
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