HISTORICAL ACCOUNT
OF THE
INTRODUCTION
OF THE
GALVANIC AND ELECTRO-MAGNETIC
Telegraph into England.
By Dr. HAMEL,
MEMBER OF THE IMPERIAL ACADEMY OF SCIENCES AT ST. PETERSBURG.
READ BEFORE, AND REPRINTED BY PERMISSION OF,
THE SOCIETY OF ARTS,
WITH
COMMENTS THEREON
BY
WILLIAM FOTHERGILL COOKE.
OAKLANDS:
November, 1859.
