(n.) An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents.
ONDOGRAPH
Meaning of ONDOGRAPH in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) An instrument for autographically recording the wave forms of varying currents, esp. rapidly varying alternating currents.
Webster's English dictionary. Английский словарь Webster. 2012