John Earhart Issues "The Color Printer"--One of the Greatest Typographic Works on Color

In 1892 Cincinnati printer John F. Earhart published The Color Printer: A Treatise on the Use of Colors in Typographic Printing. This work was one of  the greatest typographic works on color ever published. Earhart worked on the book for more than four years. According to David Pankow, The Printer's Manual (2005) to print the book Earhart made up "625 type formes" and printed "1,625,000 impressions" to create the 2,000 copies of the edition. He was able to produce "more than 1,000 distinct color and tint values from just twelve stock inks." Earhart printed the work on a Colt's Armory patent press, "a machine capable of printing multi-color images in tight register."