mation 
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from 
  
a) The analytical triangulation per strips, but mainly per blocks, will be the 
kernel of the experimental researches to be carried out in future years: this working 
criterion shall record, also in practice, remarkable progresses. 
b) The progresses of analytical triangulation will condition the development of 
methods and criterions of flight; the choice of cameras and study of parameters of 
their inner orientation; the choice of auxiliary equipments and their most fitting use; 
the return to more rigid working schemes. 
c) The adjustment criterions after the spurs due to theoretical researches, shall 
turn to more practical methods and with more experimental than theoretical justi- 
fications. 
d) The precision required in cartography will be forced to submit itself, towards 
a more total acceptation of practical benefits of aerial triangulation at a discount of 
fictitious requests of impossible precisions. 
e) In the future, we will, perhaps, see a more wide application of those methods 
which are now only marginal such as the use of flights at different altitudes in order 
to solve more economically many cartographic problems.