profilograph
/prə(ʊ)ˈfiːləɡrɑːf/ /prə(ʊ)ˈfiːləɡraf/noun
Originally: an instrument which automatically records the contour line of the ground over which it travels; (later also) = profilometer.
Origin
Late 19th century; earliest use found in Scribner's Monthly. From French profilographe from profil + -o- + -graphe.