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PRINCIPLES OF SURVEYING 1
RECONNAISSANCE MAPPING WITH TRIMETROGON
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accuracy adjusted advertisement aerial camera aerial photographs altitude amount apparent horizon approximately astrolabe axis azimuth line base compilation computed contact prints contour contracting officer contractor control points coordinates correct corresponding datum depression angle detail diapositive direction displacement distance distortion elevation emulsion equations equipment error exposure station feet fiducial fiducial marks film flight lines focal length focal plane glass graph grid ground control image points inches instrument intersection isocenter lens lenses located measured metal templet method metrogon millimeter mosaic multiplex nadir point negative oblique photographs obtained operation optical orientation overlap panchromatic paper templet parallax parallel pass points perpendicular photogrammetry photographic paper planimetric planimetry plate position principal line principal plane principal point printer procedure projection projectors radial triangulation ratio rays scale scale ratio schedule sheet shutter Sketchmaster specified speed stereoscopic strip surface Survey tilt determination tion topographic triangle vectograph vertical photograph