Paris: Gauthier-Villars, 1886. First edition. 12mo., 151 pp., engraved figures and charts. Full cloth with leather spine label in gilt. The cloth is damp-wrinkled and stained. The ink stsamp of a photographic society is on the front free flyleaf and one leaf of text. A good copy. Item #53486
This manual provides instructions for making negatives/positives for a variety of applications and includes: sensitometry, intensifying and reducing photographs, photomechanics, enlarging, etc.
Roosens and Salu No. 6573.