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Maple Press

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Know About Graham Bell

Name: Know About Graham Bell
Price: 75 INR
Availability: InStock
Author: "Maple Press"
ISBN: 9789350334225

Maple Press

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English

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About The Book

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Alexander Graham Bell was a Scottish-born[N 3] scientist inventor engineer and innovator who is credited with patenting the first practical telephone. Bells father grandfather and brother had all been associated with work on elocution and speech and both his mother and wife were deaf profoundly influencing Bells lifes work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being awarded the first U. S. patent for the telepho