Cambio Z 
  
Ex Ey 0 7. Q 
Fig. 3. — C,,C,'— Centers of the doubling gimbals; S,S’=Luminous sources of the 
objective mark; F,F’— Do. for photograms; L,L*—Projecting wide-angle cameras; 
M, — Coordinate motor of the y carriage; P,P, — Counterweights of the camera and of 
the doubling gimbal arm, for terrestrial photogrammetry; R — Adjustable bearings for 
guide of X carriage; Q — Do. for rest of Z carriage; E, E, — Plugs for the electro- 
: -coordinatograph. 
The registration of the base is realized by means of the well known 
system of the jointed parallelogram (Zeiss). The base system is controlled 
by the coordinatometer, and the transmission to the corresponding axes 
of the coordinatograph takes place with electromagnetical proceedings. 
Cursore by (T) 
  
  
      
   
  
   
    
       
  
   
    
the r 
diffic 
mete 
prin 
mor 
gnet 
justr 
able 
Sme: 
$me: 
ori 
sposta 
sposté 
= x 
Fig 
le: 
pk 
eve 
abl