Glass negatives of everything that was flying between 1890 and 1913.
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of an early aircraft, aeronautics, free to use, no copyright restrictions.
Picryl description: Public domain image of an aircraft, aviator, 1910s-1920s, early 20th-century aviation, free to use, no copyright restrictions.
Picryl description: Public domain image of an early aircraft, balloon, airship, free to use, no copyright restrictions.
Public domain photograph of aircraft hangar, free to use, no copyright restrictions image - Picryl description
Public domain photograph of people boarding on a ship, ocean liner deck, port, steamship, free to use, no copyright restrictions image - Picryl description
Photo shows aviator Harry Bingham Brown (1883-1954), seated in an airplane. (Source: Flickr Commons project, 2008)
Picryl description: Public domain image of a pilot, aviator, aircraft, free to use, no copyright restrictions.
Picryl description: Public domain image of an aircraft, aviator, 20th-century aviation, free to use, no copyright restrictions.
Photo shows Swiss aviator Ernest Burri who flew for the French in World War I. (Source: Flickr Commons project, 2008)
Photo shows patent drawing of John Emery Harriman. (Source: Flickr Commons project, 2009)
A group of men standing next to each other. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Photograph shows a Royal Aircraft Factory HRE2 airplane. (Source: Flickr Commons project, 2012)
Picryl description: Public domain image of a biplane aircraft, pilot, aviator, free to use, no copyright restrictions.
Photo shows professional balloon and airship pilot and stunt man Albert Leo Stevens (1873-1944). (Source: Flickr Commons project, 2008)
Photo shows the German zeppelin naval airship, L II, (also known as LZ 18) which later exploded outside of Berlin on October 17, 1913. (Source: Flickr Commons project, 2010 and New York Times, Oct. 18, 1913)
A couple of men sitting on top of a grass covered field. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Photograph shows a Caudron G-2 biplane. (Source: Flickr Commons project, 2012)
Photo shows Wilbur R. Kimball (d. 1940), aviation pioneer, inventor, airplane builder and pilot who was also the Secretary of the Aeronautic Society of New York. Photograph was taken at the Nassau Boulevard Ae More
Picryl description: Public domain image of an aircraft, flight, airplane, aviation, free to use, no copyright restrictions.
Photo shows aviator Harry Nelson Atwood (1884-1967). (Source: Flickr Commons project, 2009)
Public domain image of aristocratic military leader, general, monarch, 18th-19th century armed forces, free to use, no copyright restrictions - Picryl description
Photograph shows a Wright Model "B" biplane which was rented to the U.S. Army in 1911 in San Antonio, Texas. (Source: Flickr Commons project, 2012)
Photograph shows the Flanders F.4 military two-seat monoplane aircraft. (Source: Flickr Commons project, 2012)
Photo shows American aviator Blanche Stuart Scott (1885-1970). (Source: Flickr Commons project, 2008)
Photograph shows Jules Charles Toussaint Védrines, an early French aviator. (Source: Flickr Commons project, 2013)
Photo shows airplane of aviator Harry Nelson Atwood (1884-1967). (Source: Flickr Commons project, 2009)
Photo shows hydroplane designed by Frank Herbert "Bert" Harriman, an early aviation pioneer. (Source: Flickr Commons project, 2008)
Photo shows French aviator, Andre Frey (1886-1912) posed in the cockpit of an airplane. (Source: Flickr Commons project, 2008)
Photo shows balloon of William F. Assmann. (Source: Flickr Commons project, 2009 and New York Times, May 3, 1910)
Photo shows the airplane of Andre Conneau, also known as Beaumont, flying over Genoa, Italy. (Source: Flickr Commons project, 2009)
Photograph shows a Sopwith Tabloid biplane. (Source: Flickr Commons project, 2012)
Photo shows naval aviator Lieutenant Theodore Gordon Ellyson (1885- 1928). (Source: Flickr Commons project, 2010)
Photo shows aviator Charles Rumney Samson (1883-1931) in a Short S41 Tractor biplane. (Source: Flickr Commons project, 2009)
Picryl description: Public domain photo of Japanese painting, free to use art, no copyright restrictions image.
Photo probably shows the America, a "flying boat" produced by Glenn Curtiss, on the surface of Lake Keuka, New York State, July 12, 1914. (Source: Flickr Commons project, 2009)
Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description
Photo shows Juan Bielovucic Cavalie (1889-1949) an aviator of Croatian ancestry, born in Peru. (Source: Flickr Commons project, 2009)
Photo shows airplane of Captain Ginocchio, Venice, Italy, probably related to the Water Flight Station of Venice which opened in April, 1913. (Source: Flickr Commons project, 2009)