Alexander Graham Bell (1847-1922) Scottish-born American inventor: patented telephone 1876. Bell in lecture hall of Boston University, communicating b

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Alexander Graham Bell (1847-1922) Scottish-born American inventor: patented telephone 1876. Bell in lecture hall of Boston University, communicating by means of his second telephone to colleague in basement. Wood engraving, Paris, 1883.

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Keywords: 1847-1922, 1876, 1883, alexander, american, basement, bell, boston, colleague, communicating, communications, engraving, graham, hall, inventor, lecture, means, paris, patented, scottish-born, telephone, university, usa, wood