Resources
Color Daguerreotypes: Hillotypes recreated
The complete report by Joseph Boudreau, published in “Pioneers of Photography: Their Achievements in Science and Technology”, by Eugene Ostroff, The Society of Imaging Science and Technology, Northeastern University Press, Springfield, VA, 1984.
A TREASTISE ON HELIOCHROMY
Levi L. Hill’s book. A wonderful account of a unique life in photography, with the original instructions on the Hillotype.
Kodak’s Processing Chemicals & Formulas for Black and White Photography (J-1)
Published in 1977, this document contains formulae for many of Kodak’s legendary developers, fixers, reducers and intensifiers.