Browse Items (135 total)

Photograph of Moya O. Lear (second from left), William P. Lear (center), and representatives of the Gates Rubber Company looking at documents, circa April 1967.

Photograph of (from left to right) Duane Atkinson, Leonard Valladao, Frank Bonner, Allen E. Paulson, and Jack Bledsoe with a Learjet aircraft, circa 1960s.Typed caption on verso: "Left to right: / Duane Atkinson / Leonard Valladao / Frank Bonner, Sr.…

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."

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."

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 Learjet 23 prototype undergoing a fuselage side-bending test, February 25, 1964. Text on sign: "Fuselage side bending static test / 67% ultimate / 25 Feb. 2964."Inscription on verso: "Gene Koenig / middle white shirt / T-58-4E /…

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. 2964."Inscription on verso: "T-58-4C / 2-25-64."

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 men installing a new engine in the Learjet 23 prototype, February 21, 1964.Inscription on verso: "Installing new engine on Jet #1 / 2-21-64."

Photograph of the Learjet 23 prototype undergoing a fuselage down-bending test, February 18, 1964.Text on sign: "Fuselage down bending static test / 0% ultimate / 18 Feb. 1964."Inscription on verso: "T58-2-O / 2-18-64."