[f. Gr. χρονογράφος recording time, f. χρόνο-ς time + γράφ-ειν to write.]
† 1. = CHRONOGRAM. Obs.
1662. J. Chandler, Van Helmont’s Oriat., 103. D. Streithagen Cannon of Hemsberg, in his Germane Flourish, hath writ down a Chronograph, or Verse of the time of this Earthly trembling.
1847. in Craig.
2. An instrument for recording time with extreme exactness; also, a watch or clock to which various mechanical devices are attached for the same purpose. It is used in astronomical and other observations, in the timing of races, etc.
1868. Lockyer, Elem. Astron., 271. The transits at station A are recorded on the chronograph at stations A and B.
1884. F. J. Britten, Watch & Clockm., 51. The term Chronograph is now generally applied to those watches that have a centre seconds hand … which may be started, stopped, and caused to fly back to zero by pressing either the pendant or a knob at the side of it.
1889. Callendar, Cursive Shorthand, Introd. An electric chronograph capable of recording automatically to the hundredth part of a second the time taken to form any portion of any stroke.
attrib. 1884. F. J. Britten, Watch & Clockm., 51. The Chronograph hand generally beats fifths of seconds.
1886. York Herald, 24 July, 3/3. Repeating, and Chronograph Watches.
