Table ] 13 
  
Projéctor Tests M 
Operator ;Blomstedt Organization KTH .Stackhalm.70.. 
Recorder ..... "ret Instrument A. rdilQdou. an 
e 0.00 1 
Grid -Wild.na . AL0 e 15 = 
Scale = = "n0 50^ 7 
Date 06710759... 
Determination of the discrepancies (errors) dx and dy 
Base: zero.. Projector:.right... 
  
dx and dy in microns 
  
Ym 
500.002 
540.012 
0.0 
  
45 18 
  
t7 
1138 
+12 
  
Computed by . Bdt, . .. Checked by . BM... 
Division of ‘Photogrammetry 
Stockholm 70 Sweden