Note 16 — RESEARCHES IN ELECTRIC TELEPHONY.
Reading edition
J. C. Poggendorff. Pogg. Ann. xcviii. p. 192; Berliner Monatsber. 1856, p. 133; Cosmos, ix. p. 49; Berl. Ber. xii. p. 241; Pogg. Ann. lxxxvii. p. 139.
Reading edition
J. C. Poggendorff. Pogg. Ann. xcviii. p. 192; Berliner Monatsber. 1856, p. 133; Cosmos, ix. p. 49; Berl. Ber. xii. p. 241; Pogg. Ann. lxxxvii. p. 139.