Cyanotype is a photographic printing process that gives a cyan-blue print. The process was popular in engineering circles well into the 20th century. The simple and low-cost process enabled them to produce large-scale copies of their work, referred to as blueprints.
“As things stand now, I am going to be a writer. I’m not sure that I’m going to be a good one or even a self-supporting one, but until the dark thumb of fate presses me to the dust and says ‘you are nothing’ I will be a writer.” —Unknown