Photograph of a Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."Note attached to verso: "[letterhead: Norman Warren] /…
Photograph of a Learadio Beech 17R Staggerwing aircraft, circa 1930s-1940s.Stamped on verso: "Please credit Hans Groenhoff, [crossed out telephone number and address in New York City, New York]."
Photograph of a Learjet 23 aircraft (tail number N801L) by an open hangar, circa October 1963.Typed caption: "First flight of Lear Jet N801L and photograph of the jet as it emerged from the hanger [hangar]."Stamped on verso: "Please return to: Lear…
Photograph of a Learjet 23 aircraft (tail number N801L) taking off, possibly during its first flight, circa October 1963.Stamped on verso: "Please return to: Lear Archive, [address and telephone number in Reno, Nevada]."
Photograph of three Learjet 23 aircraft (one visible tail number: N801L) undergoing assembly and testing at the Lear Jet plant in Wichita, Kansas, circa 1963. Includes typed press release.Typed press release included with image: "For immediate…
Photograph of the Learjet 23 prototype undergoing fuel tests at the Lear Let plant in Wichita, Kansas, circa 1963.Inscription on verso: "Fuel tests."Stamped on verso: "Sep. 6, 1963."
Photograph of a Learjet 24 aircraft (N247LJ) at the Lear Jet facility following its record-setting around-the-world flight, Wichita, Kansas, May 26, 1966. A crowd is gathered around the aircraft and several other Lear Jet aircraft are visible in the…