Photograph of the Learjet 23 prototype undergoing a fuselage side-bending test, February 25, 1964.Text on sign: "Fuselage side bending static test / 0% ultimate / 25 Feb. 1964."Inscription on verso: "T58-4A / 2-25-64."
Photograph of Hank Beaird and Dave Brown seated in the cockpit of a Learjet 23 aircraft (tail number N801L), February 28, 1964.
Inscription: "PR-113[C or G?] / 2-28-64."
Inscription on verso: "N801L / Hank Beaird / Dave Brown (AV Week) / 2/28/64."
Photograph of the test fuselage of the Learjet 23 prototype at a Lear facility, February 29, 1964.Inscription on verso: "Overall shot of test fuselage / 2-29-64."
Photographic contact sheet containing three images related to first flight preparations of the Learjet 23 aircraft (tail number N802L), March 1964. Images 1 and 2 (left and top right) show a man fueling up the aircraft. Image 3 (bottom right) shows a…
Photographic contact sheet containing four images of people with a Learjet 23 aircraft, March 5, 1964. The first image (top left) shows men looking at a Learjet wing outfitted with testing tufts. The second image (top right) shows men inside the…
Photograph of three men conducting tests on the Learjet 23 prototype, March 16, 1964.Inscription on verso: "Flight test instruction for ground test / T-76-3A / 3-16-64."
Photograph of the test fuselage of the Learjet 23 prototype undergoing structure testing at a Lear facility, March 17, 1964.Inscription: "T76-1B / 3-17-64."Inscription on verso: "Structure testing."
Photographic contact sheet containing two images of people in a Lear test lab, March 19, 1964. Inscription: "PR-142A 3-19-64 / PR-142B 3-19-64."Inscription on verso: "Test lab next to Hank's office in test hangar."
Photograph of (from left to right) Aga Khan IV, Moya O. Lear, and William A. Sipprell with a Learjet 23 aircraft, November 1964. Hank Beaird and an unidentified man are visible inside the aircraft.
Inscription on verso: "November 1964. Aga Kahn…
Photograph of Wayne Newton (center), William P. Lear (second from left), Moya O. Lear (left), and others next to a Learjet aircraft, Detroit, Michigan, June 1965.Typed caption on verso: "Recording artist Wayne Newton and associates, ride in Lear Jet.…