We've recently posted a section within the Winsor & Newton website on how to use
water colours for handtinting photographs. Below, I've included a link to the
"How Did You Do That" section of the website. From there, just click on the link
listed as: Tinting black & white photos with water colour.
> I have found that the Dr. Martins Ph water colors work very well on either > fiberbased or resin coated papers. Dilute with water and be subtle in > coloring. Practice on workprints or other scraps to get the feel for the > mixing and dilution proceedures. They are dyes and once on cannot be removed. > You can always make darker or more intense, but not lighter. > > Bill R. > Souhegan High School