Visible Speech

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21	PDF Document Add to Reading List Source URL: memory.loc.gov Language: English - Date: 2009-10-05 08:37:06 Nova Scotia Beinn Bhreagh Nova Scotia Mabel Gardiner Hubbard Gardiner Greene Hubbard Volta Laboratory and Bureau Alexander Melville Bell Gilbert Hovey Grosvenor Invention of the telephone Visible Speech Alexander Graham Bell Technology Science
22	PDF Document Add to Reading List Source URL: books.nap.edu Language: English - 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