A treatise on heliochromy
Subtitle: or, The production of pictures, by means of light, in natural colors. Embracing a full, plain, and unreserved description of the process known as the hillotype, including the author's newly discovered collodio-chrome, or natural colors on collodionized glass ...
By: by L.L. Hill
Publisher: Robinson & Caswell
Published: 1856
Place of publication: New York
Language: eng
Number of pages: 175
Subjects: Hillotype
Notes: The hillotype was an imaginary process "discovered" by the author, but never put in practice. (cf. Woodbury, Dict. of phot.)

"Autobiography of the author": p. [1]-37.