2022-02-07 Mon

Alexander Graham Bell is best known for his invention Telephone. To under the working of telephone take the example of child's telephone toy made by connection two paper cups or two half coconut shells with string.

Alexander Graham Bell was an inventor, teacher, and writer. He wrote books for the deaf and dump. Through his teaching, he develops an interest in the sound of the human voice, and this led him to the invention of the telephone, along with his assistant, Thomas A. Watson, the telephone was born.

This commemorative stamp was issued by India in 1976, to commemorate him and his work.

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