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Webster 1913 Edition
Chronograph
Chron′o-graph
,Noun.
[Gr. [GREEK] time +
-graph
: cf. F. chronographe
.] 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.
3.
A chronoscope.