"Moy's Aerial Steamer, 1874. lifted six inches."

Credit - Gary Bradshaw; "To Fly Is Everything"

Penaud designed this "planophore" in 1871.

Credit - Wright State University

Penaud designed this monoplane.

Credit - Wright State University

Mouillard's fixed-wing glider with cambered wings

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-4477)"

Phillips designed this man-carrying aircraft.

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-38279-H)"

Hargrave's ornithopter with radial rotary engine

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. 78-15800)"

Maxim experimented with flying machines.

Credit - Library of Congress

Maxim demonstrates lightness of his steam engine

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. A-42378)"

Sir Hiram Maxim's flying machine.

Credit - "(c) 2001 National Air and Space Museum, Smithsonian Institution (SI Neg. No. 97-15315)"

Percy Pilcher's Beetle.

Credit - Gary Bradshaw; "To Fly Is Everything" (provided by Philip Jarrett)

Pilcher flying the Hawk.

Credit - Gary Bradshaw; "To Fly Is Everything" (provided by Philip Jarrett)