Arches Watercolor Blocks Glue Cyanotype was popular well into

Cyanotype was popular well into the 20th century as an inexpensive method for reproducing photographs

Not for use in oil painting medium preparation

5" puzzle tube and a handy muslin bag to keep all the pieces together

Affixed with five screws to full-sized wood head

Arches Watercolor Blocks Glue Cyanotype was popular well intoArches Watercolor blocks are 100% cotton paper of the highest quality and glued on all 4 sides. This French made paper is manufactured on a cylinder mould, just as it has been made for more than a hundred years. The convenience of working on a block provides support, durability, and eliminates stretching. Acid free and gelatin sized.