Blue Prints
Anna Atkins This process combines two loves of mine, nature and Prussian blue. The phrase 'blue prints' originally comes from when when engineers needed to make large scale copies of their work, a process called Cyanotype. The vibrant blue is brought about by mixing two chemicals, potassium ferricyanide and ferric ammonium which make material sensitive to light. Then by placing an object or natural form like a leaf on the soaked material in the sun you create a white silhouette on a deep inky blue background. Cassette Tapes cyanotype by Christian Marclay You can mix these chemicals yourself and create some beautiful artworks or if prefer you can buy the sun-senitve paper for a craft so simple you can do it with your children! Anna Atkins Anna Atkins The procedure was discovered by scientist and astronomer Sir John Herschel in 1842, but it was Anna Atkins who brought this process to photography. She is regarded by most as the first female photograp...