1. the telephone
... . One of the inventions that took place during the industrial revolution was the telephone and the person who invented it was Alexander Graham Bell. At first the telephone was basically limited to receiving and sending one message at a time. Bell's great knowledge of sound and his understanding of music let him have the possibility of transmitting multiple messages over the same wire ... at the same time. Even though the idea of a multiple telegraph had been around for a while, Bell offered his own musical or harmonic approach as a possible practical solution. His "harmonic telegraph" me...
- Word Count: 366
- Approx Pages: 1
- Grade Level: High School