Aerial photography equipment, chapters 7-12

The two principal types of Russian aerial topographic cameras and some foreign aerial topographic cameras are described, as well as nontopographic slit, image shift compensation, panoramic and small-size aerial cameras. External orientations of aerial photos, methods of determining them and the apparatus used, gyrostabilizer units, statoscopes, radioaltimeters and radiogeodetic apparatus are described. Aerial magnetometry, gamma radiometry and other special survey apparatus is described briefly. Composition, installation, operation, maintenance, documentation and repair of aerial photography equipment is described, and a final section is devoted to the history of aerial photography.