photogrammeter
/ˌfəʊtə(ʊ)ˈɡramɪtə/Surveying
noun
1A camera combined with a theodolite. Now rare.
2A person who uses a photogrammeter; a photogrammetrist.
Origin
Late 19th century; earliest use found in Nature: a weekly journal of science. From photogram + -meter, after photogrammetry.