Artwork description:

Gum bichromate is a 19th century photographic printing process based on the light sensitivity of dichromates. It allows pictorial images to be obtained from photographic negatives. Gum printing is traditionally a multi-layered printing process, but satisfactory results can be obtained with a single pass. Any colour can be used for rubber printing, so it is also possible to produce natural colour photographs using this layered technique.

In this work I have mixed two layers of bichromate gum.
Image format: 42x 60 cm on 250 gsm Fabriano watercolour paper.

Materials used:

paper light sensitive chemicals

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