The Art of Retouching Photographic Negatives and Practical Directions How to Finish and Color Photographic Enlargements, Etc. 12th Edition, Revised and Enlarged.

By Robert Johnson, et al.  American Photographic Publishing Co., 1930. 16 plates plus other illustrations.  154 pages.  Very good without dust jacket in red cloth.  Wear at spine tips and corners.  In two parts, Negative Retouching and Finishing and Coloring Photographs.  Includes use of airbrush, etching away background, the Russian method of coloring photos with oil, tools, and many other topics.  A comprehensive manual.