Paris: Gauthier-Villars; Gauthier-Villars et Fils, 1886, 1888. First editions. Small 4tos., [vol. I] xv , 467 pp., mounted carbon frontispiece, 1 full-page b&w collotype after a photo, with tissue guard, 120 text illustrations (including mounted color chart); [vol. II] xiii, 573 pp., photogravure frontispiece with printed tissue guard, 1 folding photo-plate with tissue guard, 114 text illustrations. The original printed wrappers show some staining. Aside from an occasional light spot of foxing, a fine set with the second volume largely unopened. Item #53205
The most thorough and complete compendium of its time. The text includes history and historical formulas, lens design and theory, negative preparation (variants), photometers, albumen, collodion, silver prints, daguerreotype, direct positives, positive transparencies, platinum prints, cyanotypes, carbon prints, photolithography, photogravure, and every other process known.
Roosens and Salu No. 4254.