early 12c., one of the ecclesiastical princes who constitute the sacred college (short for cardinalis ecclesiae Romanae or episcopus cardinalis), from Latin cardinalis principal, chief, essential (see cardinal (adj.)). Ecclesiastical use began for the presbyters of the chief (cardinal) churches of Rome.
In 1889, the rotary telephone dial was invented by Almon B. Strowger , a Kansas City undertaker. The first dial exchange was installed at La Porte, Indiana, in 1892. In 1943, Philadelphia was the last major area to give up dual service.
Dr. Martin Cooper Any history of cell phones starts with Samuel Morse. He conceived of an electromagnetic telegraph in 1832 and constructed an experimental version in 1835. Thâ¦en, on October 18, 1842, Morse laid wires between Governor's Island and Castle Garden, New York, with the distance of a mile.