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.
The telephone beeper or pager was invented in 1949 by Al Gros and in Jewish Hospital in New York it was first used.Until 1958, it was not approved for public use by FCC. In 1959, it was first named as pager by Motorola when the personal radio communications product was made by them.In the year 1974, the Motorolaâs Pageboy 1 was introduced which was the first pager to be consumer successful.n 1959, it was first named as pager by Motorola when the personal radio communications product was made by them. In the year 1974, the Motorolaâs Pageboy 1 was introduced which was the first pager to be consumer successful.