17 
Number of 
residuals 
Number of 
residuals 
Fig. 1.61:9. Histograms and normal 
distribution curves for resi 
duals from projection dia- 
positives. 
projection « — 
gloss plate negative 
Fig. 1. 61:11. Comparison between weights 
of image coordinates and re 
solution data. 
Number of 
residuals 
microns 
Number of 
residuals 
Fig. 1.61:10. Histograms and normal 
distribution curves for resi 
duals from contact and pro 
jection diapositives. 
Fig. 1.61:12. Distribution of standard errors 
of image coordinates after ad 
justment in the nine indicated 
points. s Q = 1.