Sphæroplea punctalis 1851 - 1855

This cyanotype photograph, "Sphæroplea punctalis" (1851-55), is a page from Anna Atkins's groundbreaking book "Photographs of British Algae: Cyanotype Impressions." Atkins, a pioneering photographer, utilized the cyanotype process to capture intricate details of algae specimens. This image showcases a single algae strand in stark white against a deep blue background, highlighting the delicate structure of the plant. Atkins's work not only advanced photographic techniques but also contributed significantly to the field of botany.