Paris: Georges Carré et C. Naud, 1898. First edition. 8vo., 186 pp., 40 pp. publisher's catalog at end. Publisher's cloth over flexible boards, the lower front tip is lightly bumped, else very good. Item #26823
Letters and papers by these first inventors of photography, with annotations and comments by Colson; includes bibliographical footnotes.
Roosens and Salu No. 9889.