Advert Private collection of Rob Oechsle This advert was published in George B. Ayres, How to Paint Photographs in Water Colors and in Oil - How to Work in Crayon - Make the Chromo-Photograph - Retouch Negatives and Instructions in Ceramic Painting. A Practical Hand-Book Designed for the Use of Students and Photographers, containing Directions for Brush-Work in all kinds of Photo-Portraiture (Fourth Edition), (New York: Daniel Appleton & Company, 1878)
