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Letter from Alexander Graham Bell to Mauro, Cameron, Lewis & Massie, May 8, 1915
Source: Library of Congress
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Publication Date: 1915-05-08
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Letter to Alexander Graham Bell, May 14, 1915
Source: Library of Congress
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Publication Date: 1915-05-14
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Decision, June 29, 1915
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Publication Date: 1915-06-29
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Telegram from Mauro, Cameron, Lewis & Massie to Glenn H. Curtiss, October 4, 1915
Source: Library of Congress
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Publication Date: 1915-10-04
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, October 5, 1915
Source: Library of Congress
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Publication Date: 1915-10-05
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Telegram from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, October 5, 1915
Source: Library of Congress
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Publication Date: 1915-10-05
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Telegram from Alexander Graham Bell to Mauro, Cameron, Lewis & Massie, October 6, 1915
Source: Library of Congress
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Publication Date: 1915-10-06
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Letter to Mauro, Cameron, Lewis & Massie, October 11, 1915
Source: Library of Congress
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Publication Date: 1915-10-11
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, December 21, 1915
Source: Library of Congress
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Publication Date: 1915-12-21
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Receipt, January 2, 1897
Source: Library of CongressUsage Rights:
Publication Date: 1897-01-02
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Letter from Pollok & Mauro to Alexander Graham Bell, January 8, 1897
Source: Library of Congress
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Publication Date: 1897-01-08
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Specification by Alexander Graham Bell, April 12, 1904
Source: Library of Congress
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Publication Date: 1904-04-12
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Specification by Alexander Graham Bell, September 20, 1904
Source: Library of Congress
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Publication Date: 1904-09-20
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Pamphlet by Jean-Joseph-Charles Laroze, June 30, 1905
Source: Library of Congress
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Publication Date: 1905-06-30
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Pamphlet by Louis-Ferdinand Ferber, July 19, 1907
Source: Library of Congress
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Publication Date: 1907-07-19
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Letter from Alexander Graham Bell to Charles J. Bell, March 31, 1909
Source: Library of Congress
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Publication Date: 1909-03-31
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Letter from Frederick W. Baldwin and J. A. D. McCurdy to E. W. Roberts, May 12, 1909
Source: Library of Congress
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Publication Date: 1909-05-12
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, August 5, 1909
Source: Library of Congress
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Publication Date: 1909-08-05
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Letter from H. Percy Blanchard to Alexander Graham Bell, September 29, 1909
Source: Library of Congress
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Publication Date: 1909-09-29
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, November 4, 1909
Source: Library of Congress
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Publication Date: 1909-11-04
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, November 6, 1909
Source: Library of Congress
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Publication Date: 1909-11-06
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Letter from Israel Ludlow to Alexander Graham Bell, May 2, 1910
Source: Library of Congress
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Publication Date: 1910-05-02
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, June 12, 1911
Source: Library of Congress
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Publication Date: 1911-06-12
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, July 11, 1911
Source: Library of Congress
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Publication Date: 1911-07-11
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Letter from Mauro, Cameron, Lewis & Massie to Alexander Graham Bell, July 18, 1911
Source: Library of Congress
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Publication Date: 1911-07-18
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