Summa minutiae

“A facility for quotation covers the absence of original thought.” —Lord Peter Wimsey

A cyanotype of Cystoseira fibrosa

anna-atkins.jpg

From Anna Atkins' 1843 "Photographs of British Algae" using cyanotypes (the blueprint process). There's more at https://publicdomainreview.org/collections/cyanotypes-of-british-algae-by-anna-atkins-1843/