2*1. The control of geometrical features of engineer 
ing constructions 
The main purpose of phot ogr amine trie measurements 
within this group of aplications is the determination of 
either the actual shape of the constructions or the 
deviation from theoretical assumption. On the base 
of photogrammetrie results the endurance tests may be 
established. As examples, the measurement of trussing 
of a metallurgie workshop and the bearer construction 
of spherical dome of theater hall and the determina 
tion of the gauge of ladle crane in foundry will be 
presented /7/, / 6 /. In the first example, the shape 
of 110 lattice girders were determined by numerical 
elaboration on the universal autograph with the accu 
racy - 5 mm. 
The photographs of targeted girders were taken by a 
UMK Zeiss camera* In the second example, the determina 
tion of the shape of construction W as based on the 
measurement of a large number of points and stereoscopic 
effect were used for their identification. The geode 
tic measurement was not possible because of unsteady 
station of a theodolit. In the third example, the 
vibration and refraction of air in the foundry caused 
by high temperature made impossible other measurement 
than photogrammetric. The advantages of the utiliza 
tion of photogrammetry in these experiments are: 
- the short time of measurement prevents any distur 
bance of the production process, 
-the possibility of recording large number of points 
allows to determine the correct shape of construction, 
- the possibility of measurement of objects located 
in the hot places where geodetical or physical me 
thods can not be used. 
2 . 2 . The control of construction during their explo 
itation 
This group of engineering applications involves 
tasks in which the changes of constructions caused by