An authoritative technical survey of aerial photography that explains the airplane as a camera platform, details camera designs and mounts, and analyzes lenses, shutters, and magazine systems. It reviews film and plate characteristics, exposure, filters, development, and printing, and gives practical guidance on camera suspension, installation, and motive power. Later chapters cover mapping, oblique and stereoscopic methods, photo interpretation, naval applications, and quality-control tests, and conclude with prospective improvements and peacetime uses such as surveying and exploration.