La pratique de la phototypogravure américaine 1898

This book, *La pratique de la phototypogravure américaine* (1898) by Wilhelm Cronenberg, is a guide to the practice of American photogravure. Photogravure, also known as photoengraving, is a printmaking process that uses a photograph to create an intaglio printing plate. The book is part of a series of publications on photography and its applications. The cover features the title, author, and publisher, as well as a decorative crest for the book's series, "Bibliotheque Photographique."