Search Results for: Telephone sets part
century, leading to groundbreaking advances in computing, communications, medicine, and practically every technically related field. without it, developments such as the personal computer, cellphones, the gps system, pacemakers, hearing aids, and the internet would not exist. it started with a bell telephone
capacitor, but used the capacitance of the antenna to form the tuned circuit with the coil. a good antenna and ground were needed for reception. this involved winding a coil of copper wire on an old cardboard tube and making a slider for tuning. getting the costly phones and crystal was the most difficult part...
https://www.nutsvolts.com/magazine/article/the-story-of-the-transistor