1859, 19TH, ABECASIS, ALPHONSE, ART, ARTIST, CENTURY, CHEMIST, CHEMISTRY, COLLECTION, ENGINEER, ENGRAVING, EUROPE, EUROPEAN, FRANCE, FRENCH, IN, JAIME, LOUIS, MAN, PHOTOGRAPHER, PHOTOGRAPHY, POITEVIN, PORTRAIT, PRIVATE, RESEARCH, RESEARCHER, SCIENCE, SCIENTIST, UNION,