Phototheodolite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Phototheodolite \Pho`to*the*od"o*lite\, n.
     An arrangement of two photographic cameras, the plates of
     which may be brought into exactly the same plane, used in
     surveying and map making. From the differences between two
     pictures taken at the same moment, measurements in all
     dimensions of the region may be obtained.


     [Webster 1913 Suppl.]