photophone

Drawing by Alexander Graham Bell and Charles Sumner Tainter, April 188...

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

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Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from William H. Forbes to Alexander Graham Bell, May 14, 1880

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

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Letter from Alexander Graham Bell to Alexander Melville Bell, February...

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Letter from Charles Sumner Tainter to Alexander Graham Bell, August 14...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Available text: Transcription

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Available text: Transcription

Letter from Charles Sumner Tainter to Alexander Graham Bell, August 14...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

Letter from Alexander Melville Bell to Alexander Graham Bell, June 13,...

Letter from William H. Forbes to Alexander Graham Bell, February 9, 18...

Notes, January 2, 1879 - Public domain document scan

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 31, 1880

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Letter from William H. Forbes to Alexander Graham Bell, May 14, 1880

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, June 2, 1880

Available text: Transcription

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 31, 1880

Letter from Alexander Melville Bell to Alexander Graham Bell, March 3,...

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Mabel Hubbard Bell, February 19, ...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, February 19, ...

Letter from Theodore N. Vail to Alexander Graham Bell, December 10, 18...

Notes, January 2, 1879 - Public domain document scan

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 31, 1880

Available text: Transcription

Letter from Alexander Melville Bell to Alexander Graham Bell, June 13,...

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Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Notes, January 2, 1879

Notes, January 2, 1879

Notes, January 2, 1879

Letter from H. J. Wood to Alexander Graham Bell, November 18, 1880

Letter from Alexander Graham Bell to William Forbes, May 11, 1880

Letter from Alexander Graham Bell to Theodore N. Vail, September 4, 18...

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Letter from Charles Sumner Tainter to Alexander Graham Bell, August 14...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

Available text: Transcription

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Notes, January 2, 1879 - Public domain document scan

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 31, 1880

Letter from Alexander Melville Bell to Alexander Graham Bell, June 13,...

Letter from Alexander Melville Bell to Alexander Graham Bell, June 13,...

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letter from Thomas A. Watson to Alexander Graham Bell, June 24, 1880

Letter from Alexander Graham Bell to Mabel Hubbard Bell, June 2, 1880

Letter from Alexander Graham Bell to Mabel Hubbard Bell, June 2, 1880

Speech by Alexander Graham Bell, December 8, 1880

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Clippings, from August 31, 1880 to September 1, 1880

Public domain scan of newspaper clippings. Free to use, no copyright restrictions image - Picryl description.

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Available text: Transcription

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letter from Alexander Melville Bell to Alexander Graham Bell, June 13,...

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Speech by Alexander Graham Bell, December 8, 1880

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Drawing, receipt and statement, from February 26, 1880 to April 6, 188...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 31, 1880

Notes, January 2, 1879

Letter from Alexander Graham Bell to Theodore N. Vail, September 4, 18...

Letter from Alexander Graham Bell to Theodore N. Vail, September 4, 18...

Letter from Thomas A. Watson to Alexander Graham Bell, June 24, 1880

Speech by Alexander Graham Bell, December 8, 1880

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Mabel Hubbard Bell, February 19, ...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, February 19, ...

Letter from Alexander Graham Bell to Marian Bell Fairchild, February 1...

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

Available text: Transcription

Notes, January 2, 1879 - Public domain document scan

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

Available text: Transcription

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Available text: Transcription

Notes, January 2, 1879 - Public domain document scan

Notes, January 2, 1879 - Public domain document scan

Letter from Alexander Graham Bell to Mabel Hubbard Bell, June 2, 1880

Available text: Transcription

Letters from Nettie J. Sumner, Annie E. Rice and Charles J. Bell to Al...

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Available text: Transcription

Notes, January 2, 1879 - Public domain document scan

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Letter from Alexander Graham Bell to Alexander Melville Bell, February...

Notes, January 2, 1879

Letter from Charles Sumner Tainter to Alexander Graham Bell, July 24, ...

Letter from Alexander Graham Bell to Theodore N. Vail, September 4, 18...

Speech by Alexander Graham Bell, December 8, 1880

Letter from Alexander Graham Bell to Alexander Melville Bell and Eliza...

Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Letter from Alexander Graham Bell to Mabel Hubbard Bell, February 19, ...