1? 1$ 
17 
20 
THE STEREO-RADIAL METHOD 
Standard errors of the final x-coordinates. 
Two control points in indicated positions. 
1,4 14 
y 
15 13 15 16 171819 
  
1.3 19 
M 
wi 20 
Ü 
  
v 
  
Diagram 5. 
  
  
  
= 
Standard errors of the final x-coordinates. Two control points in indicated 
positions. s = ].