compound plate printing

Elizabeth M. Harris, "Sir William Congreve and his Compound-Plate Printing," which appeared in the United States National Museum Bulletin 252, Contributions from The Museum of History and Technology" as Paper 71. (Washington, DC: US Government Printing Office / Smithsonian Institution Press, 1967). "For Sale by the Superintendent of Documents, U.S. Government Printing Office." As U.S. federal government publication, this work is in the public domain.