phototheodolite

Century Dictionary and Cyclopedia

1. n. An instrument for the performance of triangulation by means of photographs.
2. n. Specifically, a photographic surveying instrument or photogrammeter in which a photographic field-camera and its accessories are combined with a theodolite, enabling both topographical photographs and topographical angular measurements to be made by the same instrument.

Wiktionary

1. n. A theodolite with an attached camera

GNU Webster's 1913

1. 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.