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[People attaching aft and forward fuselage sections of Learjet 23 prototype
Photograph of people attaching the aft and forward fuselage sections of the Learjet 23 prototype, July 31, 1963. Inscription on verso: "P5-H / July 31, 1963 / Attaching aft fuselage section to forward fuselage section."
[Learjet 23 aircraft under construction at Lear facility]
Photograph of Learjet 23 aircraft under construction at a Lear facility, circa 1960s. Stamped on verso: "Lear Jet Corporation / Photograph / No. P 97J / P.O. Box 1260 / Wichita, Kansas 67201."
[Learjet 23 prototype at Lear facility]
Photograph of the Learjet 23 prototype at a Lear facility, September 10, 1963. Other aircraft undergoing construction and testing are visible in the background.Inscription on verso: "P 15-D / Sept. 10, 1963."
[Man working on wing section of Learjet 23 prototype]
Photograph of a man working on the wing section of the Learjet 23 prototype, July 25, 1963. The forward fuselage section is visible in the background.Inscription on verso: "P3-E / July 25, 1963."
[People attaching tail section to Learjet 23 prototype]
Photograph of people attaching the tail section to the Learjet 23 prototype, September 9, 1963. Inscription on verso: "P 14-J / Sept. 9, 1963."
[People attaching tail section to Learjet 23 prototype]
Photograph of people attaching the tail section to the Learjet 23 prototype, September 9, 1963.Inscription on verso: "P 14-G / Sept. 9, 1963."
[People attaching wing to Learjet 23 prototype]
Photograph of people attaching the wing to the Learjet 23 prototype, August 8, 1963.Inscription on verso: "P6-B / Aug. 8, 1963 / Mating and attaching wing to fuselage."
[Fuselage of Learjet 23 prototype]
Photograph of the fuselage of the Learjet 23 prototype, July 31, 1963. Inscription on verso: "P5-E / July 31, 1963 / Showing aft section joined onto forward fuselage."
[Men looking at door of Learjet 23 prototype]
Photograph of two men looking at the door of the Learjet 23 prototype, February 18, 1964. A third man is visible inside the aircraft performing a test with an oscillograph.Inscription on verso: "Direct read out oscillograph loaned from Century Instrumentation used during flight test. Buzz Nanney [illegible] of head. / PR-98B / 2-18-64."
[Learjet 23 prototype undergoing fuselage side-bending test]
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 / 2-25-64."