Paris: Gauthier-Villars, 1901. Second ed. (entirely revised). Small 8vo., viii, 74  pp., illustrations in text. Publisher's decorative paper wrappers. Spine cover chipped, with text block split at mid-section; unopened. A good copy. Item #26995
Gabriel Lippman was the inventor of interference process of color photography. Variant wrappers from previous copies. Roosens and Salu No. 6139.