loose sentence - a complex sentence in which the main clause comes first and the subordinate clause follows. complex sentence - a sentence composed of at least one main clause and one subordinate clause.
Alexander Graham Bell (1847-1922), the Scottish-born American scientist best known as the inventor of the telephone, worked at a school for the deaf while attempting to invent a machine that would transmit sound by electricity.
Some of the first telephones. The telephone was actually discovered by Bell accidentally in his attempts to improve the telegraph. The telegraph was a highly successful system with its dot-and-dash Morse code, but it was basically limited to receiving and sending one message at a time.