Examples from the Web for chronoscope
As soon as the point touched the animal the chronoscope circuit was broken by the raising of the upper arm of the key.
In a previous chapter I have described the "chronoscope" which was used by Marey.Practical Cinematography and Its Applications|Frederick Arthur Ambrose Talbot
The introduction of resistance by means of the rheostat, R, was frequently a convenient method of correcting the chronoscope.
Animal reacts and by its movements turns a key, RK (Fig. 6), thus making the chronoscope circuit and stopping the record.