Technology in Modern History Airplanes Essay

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Telephone

The history of the telephone began in the mid-1870s when Alexander Graham Bell first used two cups connected by a string to do point-to-point communication. This discovery was made as Bell was trying to develop a device to help the hearing impaired. With years of further development came the invention of the electric telephone which included a receiver (earpiece) and a bar magnet transmitter (microphone), a coil of wire and a thin metal diaphragm. This was then followed by the invention of a bell which acts as a ringer at each end of the phone so that the bell would ring to alert the other party when they needed to converse. At this time, even those who were not meant to hear the conversation could hear it since when one picked up their phone, all other phones rang. This problem was addressed by the development of the telephone dial which created a special switch that when the dial was pressed, the phone with the corresponding digits was alerted and all others were muted.

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Today, telephones have made communication very easy. It is even possible to communicate with a person thousands of miles away in another country or even continent. I will teach this to the future middle school students by addressing each age in the development of the telephone and letting them know how the telephones that we currently use came about......

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"Technology In Modern History Airplanes" (2012, March 04) Retrieved July 7, 2025, from
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"Technology In Modern History Airplanes", 04 March 2012, Accessed.7 July. 2025,
https://www.aceyourpaper.com/essays/technology-modern-history-airplanes-54735
   

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