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Telephony / National Geographic Society / Scottish inventors / Scottish Science Hall of Fame / Invention of the telephone / Alexander Melville Bell / Visible Speech / Gardiner Greene Hubbard / Telephone / Alexander Graham Bell / Technology / Science
Date: 2007-08-28 12:59:49
Telephony
National Geographic Society
Scottish inventors
Scottish Science Hall of Fame
Invention of the telephone
Alexander Melville Bell
Visible Speech
Gardiner Greene Hubbard
Telephone
Alexander Graham Bell
Technology
Science

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