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Samuel Langley Collection

Samuel Langley was a pioneering American scientist and inventor who made significant contributions to the fields of aviation and astronomy

Background imageSamuel Langley Collection: Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing

Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing
Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Related to Samuel Pierpont Langley, Secretary, Smithsonian Institute

Background imageSamuel Langley Collection: Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing

Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing
Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Related to Samuel Pierpont Langley, Secretary, Smithsonian Institute

Background imageSamuel Langley Collection: Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing

Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Creator: Harris & Ewing
Experimental Tandem Biplane On Potomac Embodying Langley Principles, 1917. Related to Samuel Pierpont Langley, Secretary, Smithsonian Institute

Background imageSamuel Langley Collection: Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913. Creator: Harris & Ewing

Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913. Creator: Harris & Ewing
Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913

Background imageSamuel Langley Collection: Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913. Creator: Harris & Ewing

Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913. Creator: Harris & Ewing
Samuel Pierpont Langley, Secretary, Smithsonian Institute, 1913

Background imageSamuel Langley Collection: American aviation pioneers Charles M. Manly and Samuel Pierpont Langley, c1890s

American aviation pioneers Charles M. Manly and Samuel Pierpont Langley, c1890s. Charles Matthews Manly (chief mechanic and pilot)

Background imageSamuel Langley Collection: Langley Quarter-scale Aerodrome, 1903. Creator: Smithsonian Institution

Langley Quarter-scale Aerodrome, 1903. Creator: Smithsonian Institution
Model of the unpiloted, tandem-wing experimental aircraft built and tested by Samuel P. Langley, powered by a five-cylinder radial internal combustion gasoline engine of about 3.2 horsepower

Background imageSamuel Langley Collection: Langley Aerodrome Number 5, 1896. Creator: Smithsonian Institution

Langley Aerodrome Number 5, 1896. Creator: Smithsonian Institution
Model of the unpiloted, tandem-wing experimental aircraft built and tested by Samuel P. Langley. One one-horsepower, one-cylinder steam engine turning two pusher propellers via geared transmission

Background imageSamuel Langley Collection: Portrait of Samuel Pierpont Langley (1834-1906), Before 1890. Creator: James Notman

Portrait of Samuel Pierpont Langley (1834-1906), Before 1890. Creator: James Notman
Portrait of Samuel Pierpont Langley (1834-1906), Before 1890

Background imageSamuel Langley Collection: Professor Samuel P Langleys aeroplane, 1903

Professor Samuel P Langleys aeroplane, 1903. Samuel Pierpoint Langley (1834-1906) was an American astronomer and aeronautical pioneer

Background imageSamuel Langley Collection: SP Langleys steam-powered model plane Aerodrome, c1896

SP Langleys steam-powered model plane Aerodrome, c1896. SP Langley, American astronomer and aeronautical pioneer. Langleys steam-powered model plane Aerodrome. In 1896 Aerodrome 5 flew 3/4 mile

Background imageSamuel Langley Collection: Samuel Pierpont Langley, US aviator

Samuel Pierpont Langley, US aviator
Samuel Pierpont Langley, American astronomer and aviation pioneer (1834-1906). Langley was born in Massachusetts and went on to become Secretary of the Smithsonian Institution (1887)



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Samuel Langley was a pioneering American scientist and inventor who made significant contributions to the fields of aviation and astronomy. Born in 1834, Langley's fascination with flight led him to conduct groundbreaking experiments with model airplanes powered by steam engines. In 1896, Langley successfully flew an unmanned, steam-powered aircraft called the Aerodrome over the Potomac River in Washington D.C., marking one of the first successful flights in history. This achievement laid the groundwork for future advancements in aviation technology. Langley also made important discoveries in astronomy, serving as director of the Smithsonian Astrophysical Observatory from 1890 until his death in 1906. He conducted research on solar radiation and developed new methods for measuring atmospheric conditions. Despite facing setbacks and criticism throughout his career, Samuel Langley's innovative spirit and dedication to scientific exploration left a lasting impact on both aviation and astronomy. His work continues to inspire generations of scientists and engineers striving to push the boundaries of human knowledge.