Katherine wrote:
> so on all the steps from 10 on, all the gum emulsion would wash off
> the steps entirely except for the numbers,
Perhaps this is evidence for the static charge being involved. It might be
that the charge holding the pigment in a surrounding area (when encircling
an area like the numbers) overwhelms the the static charge in that area and
eliminates or reverses the charge.
Received on Fri Jan 27 14:14:26 2006
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