Figure 7, Interpolated contours in pm. of relative radial displacements between the plates of Figure 6. The relative 
plate bending which causes these displacements is greater in magnitude. 
à 
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Figure 8, Lightstruck plate revealing irregularities on the surface of the emulsion, 1968, 
Photographic Procedures for Reduction of Radial Error in Analytical Photogrammetry with Wide- 
Angle Cameras 
Believing in the accuracy that can be achieved in the calibration of photogrammetric 
  
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