Note 21 — RESEARCHES IN ELECTRIC TELEPHONY.
Reading edition
C. G. Page. “Vibration of Trevelyan’s bars by the galvanic current.” Silliman’s Journal, 1850, ix. pp. 105-108.
Reading edition
C. G. Page. “Vibration of Trevelyan’s bars by the galvanic current.” Silliman’s Journal, 1850, ix. pp. 105-108.