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40 results

[Learjet 23 prototype at Lear facility] (Item)

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] (Item)

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] (Item)

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] (Item)

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] (Item)

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] (Item)

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."

[Learjet 23 fuselage undergoing testing in hydrostatic tank] (Item)

Photograph of people observing a Learjet 23 fuselage undergoing testing in a hydrostatic tank, January 15, 1964. William P. Lear (in vest) is on the left.Typed caption on verso: "Meets FAA requirements: / Both fail-safe and ultimate fatigue tests were witnessed last week by President Bill Lear (left foreground in vest), test engineers and FAA personnel. / Number Two airframe successfully withstood…

[Learjet 23 aircraft under construction in Lear's Wichita facility] (Item)

Photograph of three Learjet 23 aircraft (visible tail number N801L) under construction in Lear's Wichita facility, Kansas, February 24 1964.Typed caption on verso: "[letterhead: 'Lear Jet Corporation / Photo Release'] / 24 February 1964 / For immediate release / Progress at Lear Jet's Wichita Plant: / Number Three airframe (center foreground) is having engines and instrumentation installed prior…

[Men looking at door of Learjet 23 prototype] (Item)

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] (Item)

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."