Browse Items (97 total)
- Collection: Subseries V-E - Photographs, 1962-1970, 1991, undated
[Learjet 23 fuselage undergoing testing in hydrostatic tank]
![[Learjet 23 fuselage undergoing testing in hydrostatic tank]](https://digitalcollections.museumofflight.org/files/square_thumbnails/4856efbd0c097a313a03b5cbe7b540cb.jpg "[Learjet 23 fuselage undergoing testing in hydrostatic tank]")
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…
[Learjet 23 prototype undergoing fuselage up-bending test]
![[Learjet 23 prototype undergoing fuselage up-bending test]](https://digitalcollections.museumofflight.org/files/square_thumbnails/f996e99537fc5f0aef0259ba3d7f6fa4.jpg "[Learjet 23 prototype undergoing fuselage up-bending test]")
Photograph of the Learjet 23 prototype undergoing a fuselage up-bending test, February 13, 1964.Text on sign: "Fuselage up bending static test / 100% ultimate / 13 Feb. 1964."Inscription on verso: "T58-1-C / 2-13-64."
[Learjet 23 prototype undergoing fuselage down-bending test]
![[Learjet 23 prototype undergoing fuselage down-bending test]](https://digitalcollections.museumofflight.org/files/square_thumbnails/dca6e42c452190c85690be905751b714.jpg "[Learjet 23 prototype undergoing fuselage down-bending test]")
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."
[Learjet 23 prototype undergoing fuselage testing]
![[Learjet 23 prototype undergoing fuselage testing]](https://digitalcollections.museumofflight.org/files/square_thumbnails/8091f12370e67bc5b4cb5a6e203e4a9d.jpg "[Learjet 23 prototype undergoing fuselage testing]")
Photograph of the Learjet 23 prototype undergoing fuselage testing, February 18, 1964.Inscription on verso: "T58-2E / 2-18-64."
[Men looking at door of Learjet 23 prototype]
![[Men looking at door of Learjet 23 prototype]](https://digitalcollections.museumofflight.org/files/square_thumbnails/66b0fdedc0ce2714aab79a6b2e869778.jpg "[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…
[Buzz Nanney and others looking at door of Learjet 23 prototype ]
![[Buzz Nanney and others looking at door of Learjet 23 prototype ]](https://digitalcollections.museumofflight.org/files/square_thumbnails/a49953a488d4a4fc6b6453f4f5889a62.jpg "[Buzz Nanney and others looking at door of Learjet 23 prototype ]")
Photograph of Buzz Nanney (center) and two unidentified men looking at the door of the Learjet 23 prototype (tail number N801L), February 19, 1964. Inscription on verso: "Buzz Nanney / middle / PR-1000B / 2-19-1964."
[Men installing new engine in Learjet 23 prototype]
![[Men installing new engine in Learjet 23 prototype]](https://digitalcollections.museumofflight.org/files/square_thumbnails/882599be0b0d3994db6df4f57061f21a.jpg "[Men installing new engine in Learjet 23 prototype]")
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."
[Learjet 23 aircraft under construction in Lear's Wichita facility]
![[Learjet 23 aircraft under construction in Lear's Wichita facility]](https://digitalcollections.museumofflight.org/files/square_thumbnails/92e137eb243b56b42860eed253cbc9f3.jpg "[Learjet 23 aircraft under construction in Lear's Wichita facility]")
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…
[Learjet 23 prototype undergoing fuselage side-bending test]
![[Learjet 23 prototype undergoing fuselage side-bending test]](https://digitalcollections.museumofflight.org/files/square_thumbnails/c4bc8126d4f98b54c49cd45c5416060c.jpg "[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 /…
[Learjet 23 prototype undergoing fuselage side-bending test]
![[Learjet 23 prototype undergoing fuselage side-bending test]](https://digitalcollections.museumofflight.org/files/square_thumbnails/ba564fe5921a56d5bdcbced352f7113b.jpg "[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 / 0% ultimate / 25 Feb. 2964."Inscription on verso: "T-58-4C / 2-25-64."