1,9 
> 
20 
Diagram 
1,5] 
  
3. 
y 
^ 
| 
THE STEREO-RADIAL METHOD 
Standard errors of the final x-coordinates. 
Two control points in indicated positions. 
  
  
  
  
16 
  
  
  
EE A 
  
  
  
7 
iy 
  
  
  
18 
1,9 
20 
  
v 
13 
Standard errors of the final x-coordinates. Two control points in indicated 
positions. s, = 1.