BEING A DESCRIPTION OF
THE WORK OF HERTZ & HIS SUCCESSORS.
BY
PROF. OLIVER J. LODGE, F.R.S.
THIRD EDITION,
_With Additional Remarks concerning the Application_
_to Telegraphy, and Later Developments_.
LONDON:
“THE ELECTRICIAN” PRINTING AND PUBLISHING COMPANY,
LIMITED,
SALISBURY COURT, FLEET STREET.
_Copyright._