Notes on Process

This page links to pages that relate to the practice, the how-to, of gum printing.

How I print gum: a brief outline, with links to more detailed pages

The dance of interacting variables

Gum and tonality

Paper and Sizing

Exposure and Development

Problems that may occur

• Coating problem: uneven or streaked coating
• Coating problem: "fisheyes"
• Flaking of hardened gum layer in development phase
• Pigment Stain
• Dichromate Stain

Tricolor Printing

Technical notes about materials, equipment, and the mechanism of the process

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Copyright Katharine Thayer, all rights reserved