CHRONOGRAPH

Chron″o‐graph (?), n. [[Gr. � time + -graph: cf. F. chronographe.]] 1. 1. An instrument for measuring or recording intervals of time, upon a revolving drum or strip of paper moved by clockwork. The action of the stylus or pen is controlled by electricity.
2. 2. Same as Chronogram, 1.
3. 3. A chronoscope.