What is Telegraph and How it works
What is Telegraph and its Working
A telegraph is a device that is used to send and receive messages between two distant points.
An electric telegraph consists of a battery that is connected to a buzzer through the tapping key, There is only one wire between the buzzer and the tapping key. The circuit is completed by connecting the other terminal to the ground few feet below. The earth being moist acts as a good conductor.
When the tapping key is pressed, the receiver produces a buzzing sound. The interval between two buzzing sounds can be controlled by the interval between pressing the tapping key. The international Morse Code which is a combination of dots and dashes is used to send and receive messages with the help of telegraph.
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