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Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Patent drawing - Letter from Alexander Graham Bell to Gardiner Greene ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Letter from Gertrude McCurdy Hubbard to Alexander Graham Bell, March 1...

Available text: Transcription

Letter from Eli W. Blake, Jr. to Alexander Graham Bell, July 10, 1877

Letter from Alexander Graham Bell to Mabel Hubbard Bell, January 7, 18...

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, October ...

Available text: Transcription

Letter from William F. Channing to Alexander Graham Bell, February 26,...

Letter from Alexander Melville Bell to Alexander Graham Bell, May 25, ...

Available text: Transcription

Letter from Mabel Hubbard Bell to Alexander Graham Bell, January 8, 18...

Available text: Transcription

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, January 7, 18...

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Letter from Alexander Graham Bell to Gardiner Greene Hubbard, March 18...

Letter from William F. Channing to Alexander Graham Bell, July 16, 187...

Letter from William F. Channing to Alexander Graham Bell, July 16, 187...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Letter from Alexander Melville Bell to Alexander Graham Bell, May 25, ...

Letter from Thomas A. Watson to Alexander Graham Bell, November 3, 187...

Letter from Alexander Graham Bell to Gardiner Greene Hubbard, March 18...

Letter from Eli W. Blake, Jr. to Alexander Graham Bell, July 10, 1877

Letter from Eli W. Blake, Jr. to Alexander Graham Bell, July 10, 1877

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Letter from Alexander Melville Bell to Alexander Graham Bell, July 1, ...

Specification by Alexander Graham Bell, undated

Letter from Alexander Graham Bell to Gardiner Greene Hubbard, January ...

Letter from William F. Channing to Alexander Graham Bell, July 16, 187...

Letter from William F. Channing to Alexander Graham Bell, July 16, 187...

Letter from William F. Channing to Alexander Graham Bell, July 16, 187...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Letter from William F. Channing to Gardiner Greene Hubbard, November 8...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, March 19...

Available text: Transcription

Letter from Thomas A. Watson to Alexander Graham Bell, November 3, 187...

Letter from Eli W. Blake, Jr. to Alexander Graham Bell, July 10, 1877

Letter from Alexander Graham Bell to John Peirce, March 18, 1878

Letter from Alexander Graham Bell to Mabel Hubbard Bell, January 7, 18...

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Letter from William F. Channing to Gardiner Greene Hubbard, May 31, 18...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Notebook by Alexander Graham Bell, from October 1, 1876 to December 2,...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Notebook by Alexander Graham Bell, from July 3, 1877 to September 19, ...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...

Journal by Alexander Graham Bell, from November 25, 1878 to July 22, 1...