The influence of Hippolytus was felt chiefly through his works on chronographic and ecclesiastical law.
A reproduction of the chronographic record of one of these experiments is seen in figure 9.
"precise time-measuring device," 1868, from chrono- "time" + -graph "instrument for recording; something written." Cf. Greek khronographos "recording time and events" (adj.); "a chronicler" (n.).