>
> One prints in platinum, then applies the gum solution. Not being able to
> afford platinum during my lean years, I made salt-gum prints - salted
> paper prints with a gum printing on top. A beautiful combination.
> Cyanotype-gum is also nice. Don't try it with Van Dyke, though; the Van
> Dyke printing disappears.
What kind of process is Van Dyke? Is it a certain kind of salt process
i.e. Talbotype?
Stefan