that make no great demands on the manufacturiug precision for the most 
part. 
It is also noteworthy that the want of correspondence is representable 
by a polynomial of the same form. The same principle may therefore be 
employed to automatically eliminate it, thus relieving the operator of an 
/ 
(7 
) 
unpleasant, and rather distracting, job. 
References 
(1) A.M. Wassef, Photogrammetria, 1953-1954, No. 2. 
(2) A.M. Wassef, Photogrammetria, 1957-1958, No. 3. 
(3) A.M. Wassef, International Archives of Photogrammetry, Vol. XII, 
Part 1. Stockholm, 1957. 
  
  
     
   
  
  
  
   
  
  
       
ees 
ENA TD