Paris: Gauthier-Villars, 1899. First edition. 8vo., 52 pp., illustrated with engravings in text, 2 folded leaves of plates with tissue guards. Printed wrappers. Label removed from front wrapper and chipping along the spine has been repaired; else very good. Item #26545
1851 Aimé Laussedat developed the first photogrammetric process. His method involved using photographs taken from different positions, which formed intersecting rays from which measurements were made. The two plates contain a photograph and diagram.
Roosens and Salu No. 8021. OCLC locates only four copies; none in North American libraries.