The Net Advance of Physics RETRO:
TELEPHONY

TELEPHONES in the Long Nineteenth Century.

Most material in Net Advance Retro is very old. It may be obsolete or incorrect.

• General:
  • The Propagation of Electric Currents in Telephone and Telegraph Conductors by Sir John Ambrose Fleming [New York: Van Nostrand, 1911]

THE NET ADVANCE OF PHYSICS --- Retro