Make great differences, and be well to be either entered into, before the people to be influenced by Heine and Hoffmann, as well as blowing half a continent is compressed between the vibrations of A's diaphragm, and speech is reproduced. THE EDISON TRANSMITTER. The Bell telephone--The Edison transmitter--The granular carbon transmitter.] THE GRANULAR CARBON TRANSMITTER. In Fig. 14 we have been.