[Proceedings United States National Museum, Vol. X. — Appendix.] 

 SMITHSONIAN INSTITUTION. 



UISriTED STATES NATIONAL JVIXJSKUM:. 



CATALOGUE OF THE CONTRIBUTIONS OF THE SECTION OF 



GRAPHIC ARTS TO THE OHIO VALLEY CENTENNIAL 



EXPOSITION, CINCINNATI, 1888. 



By S. K. KOEIILER, Curator, Section of Graphic Arts. 



Page. 

 I. Procksses of engraving and printing for pictorial purposes from 

 the sixteenth century to our own time (exclusive of modern 



photo-meciianical processes) 705 



II. Wood engraving in the United States 718 



III. Etching in the United States 721 



IV. Modern puoto -mechanical processes 723 



701 



