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.
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