samuel p langley

Postcard from Samuel P. Langley, undated

Telegram from Alexander Graham Bell to Samuel P. Langley, undated

Letter from Samuel P. Langley to Alexander Graham Bell, July 1, 1893

Letter from Samuel P. Langley to John Hitz, October 14, 1893

Letter from Alexander Graham Bell to Samuel P. Langley, June 2, 1894

Available text: Transcription

Letter from Samuel P. Langley to Alexander Graham Bell, June 7, 1894

Letter from Samuel P. Langley to Alexander Graham Bell, January 5, 189...

Letter from Alexander Graham Bell to Samuel P. Langley, January 8, 189...

Letter from Samuel P. Langley to Alexander Graham Bell, May 4, 1896

Letter from Samuel P. Langley to Alexander Graham Bell, May 26, 1896

Letter from Samuel P. Langley to Alexander Graham Bell, April 27, 1896

Letter from Samuel P. Langley to Mabel Hubbard Bell, June 12, 1897

Letter from Samuel P. Langley to Alexander Graham Bell, January 2, 189...

Letter from Samuel P. Langley to Alexander Graham Bell, October 22, 18...

Letter from Samuel P. Langley to Mabel Hubbard Bell, May 10, 1897

Letter from Alexander Graham Bell to Samuel P. Langley, June 1898

Letter from Samuel P. Langley to Alexander Graham Bell, September 9, 1...

Letter from Alexander Graham Bell to Samuel P. Langley, January 25, 19...

Letter from Samuel P. Langley to Alexander Graham Bell, March 9, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, March 11, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, March 20, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, July 19, 1901

Letter from Samuel P. Langley to Alexander Graham Bell, March 11, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, March 21, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, November 26, 1...

Letter from Alexander Graham Bell to Samuel P. Langley, January 28, 19...

Letter from Samuel P. Langley to Alexander Graham Bell, January 27, 19...

Available text: Transcription

Letter from Samuel P. Langley to Alexander Graham Bell, April 9, 1901

Letter from Alexander Graham Bell to Samuel P. Langley, February 14, 1...

Letter from Alexander Graham Bell to Samuel P. Langley, March 6, 1902

Letter from Samuel P. Langley to Alexander Graham Bell, October 23, 19...

The Langley Aerodrome, Potomac river

Description: L90-4341: "The Langley Aerodrome, brainchild of a group led by Samuel Langley. Shortly after this photo was taken, the December 8, 1903, manned tests of the Aerodrome ended abruptly in failure, as ... More

Samuel Pierpont Langley and Charles M. Manly

Full Description: (c. 1903) Samuel Pierpont Langley (1834-1906) with chief mechanic and pilot, Charles M. Manly...Image # L-1990-04340

Letter from Alexander Graham Bell to Samuel P. Langley, April 8, 1904

Samuel P. Langley. NASA public domain image colelction.

Description: Former secretary of the Smithsonian Institute and avid aeronautical researcher. Photograph published in Winds of Change, 75th Anniversary NASA publication (page 6), by James Schultz...Date: 09.01.1... More

Letter from Gertrude McCurdy Hubbard to Alexander Graham Bell, undated

Letter from Samuel P. Langley to Alexander Graham Bell, undated

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, August 1...

Letter from Alexander Graham Bell to Samuel P. Langley, April 3, 1888

Letter from Samuel P. Langley to Alexander Graham Bell, February 7, 18...

Letter from Samuel P. Langley to Alexander Graham Bell, February 20, 1...

Letter from Samuel P. Langley to Alexander Graham Bell, May 15, 1890

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, April 21...

Letter from Samuel P. Langley to Alexander Graham Bell, August 22, 189...

Letter from Samuel P. Langley to Alexander Graham Bell, June 24, 1893

Letter from Samuel P. Langley to Alexander Graham Bell, February 27, 1...

Letter from Samuel P. Langley to Alexander Graham Bell, October 28, 18...

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 9, 1895

Available text: Transcription

Letter from Mabel Hubbard Bell to Alexander Graham Bell, July 7, 1895

Available text: Transcription Public domain photograph of correspondence, letter, manuscript, free to use, no copyright restrictions image - Picryl description.

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 6, 1895

Available text: Transcription

Letter from Samuel P. Langley to Alexander Graham Bell, December 30, 1...

Letter from Samuel P. Langley, May 12, 1896

Available text: Transcription

Letter from Pollok & Mauro to Samuel P. Langley, May 6, 1897

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Letter from John Ramsey Graham to Alexander Graham Bell, November 2, 1...

Letter from Samuel P. Langley to Alexander Graham Bell, October 18, 18...

Letter from Samuel P. Langley to Mabel Hubbard Bell, May 21, 1897

Letter from Samuel P. Langley to Mabel Hubbard Bell, June 28, 1897

Letter from Samuel P. Langley to Alexander Graham Bell, June 18, 1898

Letter from Samuel P. Langley to Alexander Graham Bell, May 23, 1898

Letter from Mabel Hubbard Bell to Alexander Graham Bell, May 25, 1898

Available text: Transcription

Letter from Samuel P. Langley to Alexander Graham Bell, June 13, 1898

Letter from Samuel P. Langley to Alexander Graham Bell, June 18, 1898

Letter from Alexander Graham Bell, May 12, 1898

Letter from Samuel P. Langley to Alexander Graham Bell, March 23, 1898

Letter from Samuel P. Langley to Alexander Graham Bell, April 18, 1899

Letter from Samuel P. Langley to Alexander Graham Bell, October 7, 189...

Letter from Samuel P. Langley to Alexander Graham Bell, March 29, 1901

Journal by Alexander Graham Bell, from September 2, 1901 to October 29...

Letter from Alexander Graham Bell to Samuel P. Langley, January 28, 19...

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

Letter from Alexander Graham Bell to Samuel P. Langley, September 27, ...

Available text: Transcription

Letter from Alexander Graham Bell to Samuel P. Langley, February 15, 1...

Letter from Samuel P. Langley to Alexander Graham Bell, October 13, 19...

Letter from Alexander Graham Bell to Samuel P. Langley, February 28, 1...

Letter from Samuel P. Langley to Alexander Graham Bell, October 31, 19...

Letter from Samuel P. Langley to Alexander Graham Bell, October 11, 19...

Letter from Samuel P. Langley to Alexander Graham Bell, August 4, 1903

Letter from Samuel P. Langley to Alexander Graham Bell, August 21, 190...

Letter from Alexander Graham Bell to Samuel P. Langley, February 10, 1...

Letter from Alexander Graham Bell to Samuel P. Langley, January 27, 19...

Letter from Herbert George Wells to Alexander Graham Bell, May 9, 1906

Speech by Alexander Graham Bell, March 4, 1907

Article by Alexander Graham Bell, October 11, 1910

Letter from Basil L. Gildersteen to Alexander Graham Bell, March 15, 1...

Notes by Alexander Graham Bell, from March 26, 1914 to May 28, 1914

Letter from Mabel Hubbard Bell, undated

Letter from Gertrude McCurdy Hubbard to Alexander Graham Bell, undated

Letter from Samuel P. Langley to Alexander Graham Bell, undated

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, August 1...

Letter from Samuel P. Langley to Alexander Graham Bell, February 7, 18...

Letter from Samuel P. Langley to Alexander Graham Bell, February 20, 1...

Letter from Alexander Graham Bell to Samuel P. Langley, April 3, 1888

Letter from Samuel P. Langley to Alexander Graham Bell, May 15, 1890

Letter from Gardiner Greene Hubbard to Alexander Graham Bell, April 21...

Letter from Samuel P. Langley to Alexander Graham Bell, August 22, 189...

Letter from Samuel P. Langley to Alexander Graham Bell, June 24, 1893

Letter from Samuel P. Langley to Alexander Graham Bell, October 28, 18...

Letter from Samuel P. Langley to Alexander Graham Bell, February 27, 1...

Letter from Mabel Hubbard Bell to Alexander Graham Bell, July 7, 1895

Available text: Transcription Public domain photograph of correspondence, letter, manuscript, free to use, no copyright restrictions image - Picryl description.

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 9, 1895

Available text: Transcription

Letter from Alexander Graham Bell to Mabel Hubbard Bell, May 6, 1895

Available text: Transcription