• the telephone was invented by alexander graham bell, a scottish-born inventor, scientist, and teacher. he is credited with obtaining the first us patent for the invention of the telephone in 1876.
• the gramophone, also known as a phonograph, was invented by thomas edison, an american inventor, and businessman. edison developed the phonograph in 1877, and it became one of his most significant inventions.

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• as for the most incredible invention, it's challenging to single out just one, as different inventions have had profound impacts on society in various ways.
• the telephone revolutionized communication, connecting people across distances.
• similarly, the gramophone transformed the way we experience and enjoy music.
• the significance of inventions often depends on personal perspectives and the specific context in which they are considered.