CHRONOGRAPH
An Illustrated Encyclopedic Medical Dictionary · 1892 · p. 11
n. Kro2n'o-gra3f. From xpo^os. time, and ypa eiv, to write. Fr., chronographe. An instrument for registering minute periods of time in physiological experiments by means of a tuning-fork of a known rate of vibration. In Depres's c. the tuning-fork is included in an electrical circuit and vibrates during the pa age of the current, and a fine writing style attached to the magnet records the number of vibrations. [A, 429.] Cf. MYOGHAPH. [s. 266]
Readham'da tam maddeyi gor →