Comunications

7 Pages 1746 Words

and not available every where.
As the need arose improvements and modifications were made. Some of these were permanent outdoor wiring, commercial telephone service, a workable switchboard, and operators, first boys, then women. Later came the use of an alpha-numeric system for identification of customers instead of using their names.
Stroger, from Missouri, invented the phone dial and installed an automatic exchange in the United States. It wasn’t licensed though by the bell telephone system until 1924. At this time there were other telephone systems beside Bell Telephone. There were problems that arose because of there incompatibility. They could not be connected to each other. This was a problem for the customers who couldn’t communicate with one another. All of the independent companies battled for providing services to customers. There were also problems with interference from other uses of electricity, particularly trolley cars and sheet lamps. Lightning also destroyed lines.
Later on the use of power from battery systems was established in1888....