Short description: In Russian. Tikhov, Gabriel Adrianovich. Improvement of photographic and visual aerial reconnaissance. Kyiv: photo-type-lit. at the Field General-Inspection Unit at the Headquarters of the Chief of Staff, 1917. Uluchshenie fotograficheskoy i vizual'noy vozdushnoy razvedki. In Russian /Improving photographic and visual aerial reconnaissance. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU4220589