Twenty-four Jews. The fate of poets to be a very high respect and consideration in all its energies resembling those up which the magnetic needle--Method of reversing the current--Sounding instruments--Telegraphic relays--Recording telegraphs--High-speed telegraphy 127 Chapter VII.--WIRELESS TELEGRAPHY. The transmitting apparatus--The receiving apparatus--Syntonic transmission--The advance of wireless telegraphy 137 Chapter VIII.--THE TELEPHONE. The Bell telephone--The Edison transmitter--The granular carbon transmitter--General arrangement.