"24 photogravures by Annan and Swan beautifully demonstrating masterful control of the process, opening up the shadows and keeping the highlights with detail."--David Hanson documentation.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.