British Algae by Anna Atkins the first photographic work by a woman, and the first book produced entirely by photographic means; the blueprint process, the cyanotypes lend themselves beautifully to illustrate objects fround in the sea.
Mary & Patch: My creative space Great tutorial on fabric sun prints. Have tried sun prints on paper with great success. Would be fun to experiment with colours on fabric. What to do with fabric square after?
jpg cyanotype uses the light sensitivity of certain iron salts that form insoluble crystals under UV irradiation. Is exposed in the sunshine, developed with running water, the result is the beautiful color tone, the “Prussian blue”.