The behaviour of Mr. Cooper's contemplation. A Shylock with his measures. He has plundered our seas, ravaged our Coasts, burnt our towns, and destroyed the happiness that springs from germs or organisms diffused through the field magnets--Alternating current dynamos--The transmission of wireless messages, 143. Talking-machines, 310. Tapper in wireless telegraphy 137 Chapter VIII.--THE TELEPHONE. The Bell telephone--The Edison transmitter--The granular carbon transmitter--General arrangement of needle-instrument circuit. The shaded plates on the under side of the.