phototheodolite

[ foh-toh-thee-od-l-ahyt ]
/ ˌfoʊ toʊ θiˈɒd lˌaɪt /

noun

an optical tracking instrument consisting of a camera and theodolite mounted on a single tripod, used in photogrammetry and in tracking rockets.

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Origin of phototheodolite

First recorded in 1890–95; photo- + theodolite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020