Sunography Cards
"Solar powered photgraphy"
Five 3 x 5" (8 x 13cm) cards in an assortment of 5 colours.
Made from sturdy 270g card stock - printable on both sides.
Sunlight sensitive material was a forerunner of modern photographic processes.
This type of print - called a cyanotype - dates back to 1842.
It was popularised by Anna Atkins, one of the first female photographers.
