Clement Ader's Avion III.

Credit - Gary Bradshaw; "To Fly Is Everything"

Samuel Langley

Credit - U.S. Air Force

Frame of Langley's Aerodrome A.

Credit - Library of Congress

Samuel Langley's Aerodrome No. 5.

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-18840)"

Path of Langley's experimental aerodrome flights.

Credit - Library of Congress

Langley's quarter-size model flew successfully

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-18844)"

Samuel Langley and Charles Manly

Credit - NASA Image #EL-1997-00145

Catapulting of the Langley aerodrome.

Credit - Library of Congress

Langley's Aerodrome.

Credit - Gary Bradshaw; "To Fly Is Everything"

First launch of Langley's aerodrome

Credit - Gary Bradshaw; "To Fly Is Everything"

Second attempt to fly Langley's Aerodrome.

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-18853)"