aeronautics, patents

Statement, June 20, 1912 - Public domain document scan

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

Brief von Frederick W. Baldwin an Mauro, Cameron, Lewis & Massie, 6. M...

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

Auftrag von Alexander Graham Bell, Oktober 1912

Entscheidung von E. B. Moore, Patentkommissar an Alexander Graham Bell...

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

Decision, December 11, 1912 - Public domain document scan

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

Brief an J. A. D. McCurdy, 11. April 1912

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

Brief von Alexander Graham Bell an Charles J. Bell, 14. März 1912

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

Statement, May 21, 1912 - Public domain document scan

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

Brief von Charles J. Glocke an Alexander Graham Bell, 4. Oktober 1912

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

Brief an Alexander Graham Bell, 23. Juli 1912

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

Brief an Alexander Graham Bell, 21. Oktober 1913

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

Patent, January 14, 1913 - Public domain document scan

Brief an Alexander Graham Bell, 13. November 1914

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

Postcard, December 14, 1914 - Public domain dedication image

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

Brief an Glenn H. Curtiss, 11. Dezember 1914

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

Brief von J. A. D. McCurdy an Mauro, Cameron, Lewis & Massie, 18. Nove...

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

Telegramm von Mauro, Cameron, Lewis & Massie an Glenn H. Curtiss, 4. O...

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

Telegramm von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell,...

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

Decision, June 29, 1915 - Alexander Graham Bell family papers

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

Telegramm von Mauro, Cameron, Lewis & Massie an Glenn H. Curtiss, 18. ...

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

Brief von Frederick W. Baldwin an Alexander Graham Bell, 6. März 1915

Absetzung durch Alexander Graham Bell, 15. Januar 1915

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

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 5. ...

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

Brief von Charles J. Glocke an Gilbert Grosvenor, 13. März 1916

Memorandum, February 4, 1916 - Alexander Graham Bell family papers

Brief von Charles J. Glocke an Mabel Hubbard Bell, 18. April 1916

Brief an Charles J. Bell, 27. März 1917

Brief von Charles J. Glocke an Alexander Graham Bell, 11. Januar 1917

Brief von Alexander Graham Bell an Frederick W. Baldwin, 12. März 1917

Brief von Frederick W. Baldwin an Alexander Graham Bell, 29. Januar 19...

Brief von Alexander Graham Bell an Charles J. Bell, 22. Januar 1917

Memorandum von Glenn H. Curtiss, undatiert

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

Brief an den Patentkommissar, undatiert

Telegramm von Alexander Graham Bell an Mauro, Cameron & Lewis, undatie...

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

Brief von Pollok & Mauro an Samuel P. Langley vom 6. Mai 1897

Verfügbarer Text: Transkription

Journal von Alexander Graham Bell, vom 2. September 1901 bis 29. Oktob...

Brief von Alexander Graham Bell an Mabel Hubbard Bell, 23. März 1901

Journal von Alexander Graham Bell, vom 19. Juli 1901 bis 31. August 19...

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Spezifikation von Alexander Graham Bell, 28. Mai 1903

Spezifikation von Alexander Graham Bell, 20. September 1904

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 24....

Pamphlet von Jean-Joseph-Charles Laroze, 30. Juni 1905

Pamphlet von Louis-Ferdinand Ferber, 19. Juli 1907

Journal von Alexander Graham Bell, vom 18. Juni 1908 bis 7. Juli 1908

Clipping, July 18, 1908 - Public domain dedication image

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

Postcard, April 14, 1908 - Public domain document scan

Alexander Graham Bell Papers. Picryl description: Public domain historical photo of the address side of postcard, free to use, no copyright restrictions image.

Clipping, July 4, 1908 - Alexander Graham Bell family papers

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

Brief von Thomas E. Selfridge an Mauro, Cameron, Lewis & Massie, 23. J...

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

Photograph, June 20, 1908 - Public domain document scan

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

Meldungen vom 5. Oktober 1908 bis zum 28. Dezember 1908

Meldungen vom 13. Juli 1908 bis zum 28. September 1908

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Meldungen vom 4. Januar 1909 bis 12. April 1909

Brief von Glenn H. Curtiss an Alexander Graham Bell, 27. Oktober 1909

Brief von Alexander Graham Bell an Mabel Hubbard Bell, 2. April 1909

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 4. ...

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 5. ...

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

Notizbuch von Alexander Graham Bell, vom 20. Januar 1910 bis 14. März ...

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description

Brief von Israel Ludlow an Alexander Graham Bell, 2. Mai 1910

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 12....

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 18....

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 31....

Spezifikation von Frederick W. Baldwin, 5. Dezember 1911

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 11....

Decision, December 11, 1912 - Public domain document scan

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

Entscheidung von E. B. Moore, Patentkommissar an Alexander Graham Bell...

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

Statement, May 21, 1912 - Public domain document scan

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

Brief an J. A. D. McCurdy, 11. April 1912

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

Auftrag von Alexander Graham Bell, Oktober 1912

Brief von Frederick W. Baldwin an Mauro, Cameron, Lewis & Massie, 6. M...

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

Brief an Alexander Graham Bell, 23. Juli 1912

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

Statement, June 20, 1912 - Public domain document scan

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

Brief von Alexander Graham Bell an Charles J. Bell, 14. März 1912

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

Brief von Charles J. Glocke an Alexander Graham Bell, 4. Oktober 1912

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

Brief an Alexander Graham Bell, 21. Oktober 1913

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

Patent, January 14, 1913 - Alexander Graham Bell family papers

Brief an Alexander Graham Bell, 13. November 1914

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

Brief von J. A. D. McCurdy an Mauro, Cameron, Lewis & Massie, 18. Nove...

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

Postcard, December 14, 1914 postcard

Alexander Graham Bell Papers. Picryl description: Public domain historical photo of the address side of postcard, free to use, no copyright restrictions image.

Brief an Glenn H. Curtiss, 11. Dezember 1914

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

Telegramm von Mauro, Cameron, Lewis & Massie an Glenn H. Curtiss, 4. O...

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

Telegramm von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell,...

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

Brief von Mauro, Cameron, Lewis & Massie an Alexander Graham Bell, 5. ...

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

Absetzung durch Alexander Graham Bell, 15. Januar 1915

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

Decision, June 29, 1915 - Alexander Graham Bell family papers

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

Telegramm von Mauro, Cameron, Lewis & Massie an Glenn H. Curtiss, 18. ...

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

Brief von Frederick W. Baldwin an Alexander Graham Bell, 6. März 1915

Brief von Charles J. Glocke an Mabel Hubbard Bell, 18. April 1916

Memorandum, February 4, 1916 - Alexander Graham Bell family papers

Brief von Charles J. Glocke an Gilbert Grosvenor, 13. März 1916

Brief von Charles J. Glocke an Alexander Graham Bell, 11. Januar 1917

Brief an Charles J. Bell, 27. März 1917

Brief von Alexander Graham Bell an Frederick W. Baldwin, 12. März 1917

Brief von Alexander Graham Bell an Charles J. Bell, 22. Januar 1917

Brief von Frederick W. Baldwin an Alexander Graham Bell, 29. Januar 19...

Memorandum von Glenn H. Curtiss, undatiert

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

Brief an den Patentkommissar, undatiert

Telegramm von Alexander Graham Bell an Mauro, Cameron & Lewis, undatie...

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

Brief von Pollok & Mauro an Samuel P. Langley vom 6. Mai 1897

Verfügbarer Text: Transkription

Journal von Alexander Graham Bell, vom 2. September 1901 bis 29. Oktob...

Journal von Alexander Graham Bell, vom 19. Juli 1901 bis 31. August 19...

Alexander Graham Bell Papers. Public domain photograph of laboratory, science, research, free to use, no copyright restrictions image - Picryl description