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65 results
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."
Photograph of William P. Lear (center) and others looking at a component at a CASA plant, Madrid, Spain, November, 21, 1960.Inscription on verso: "Wm P. Lear, Sr., (center, facing camera) seen during visit to CASA plant, Madrid, on November 21, 1960. At right: Mr. Valle, CASA chief engineer."Typed caption on verso: "William P. Lear, Sr.,(center, facing camera) seen during visit to the CASA plant,…
Photograph of William P. Lear (center) and others looking at a component at a CASA plant, Madrid, Spain, November, 21, 1960.Inscription on verso: "William P. Lear, Sr., at the CASA plant, Madrid, November 21, 1960. Mr. Valle, chief engineer at CASA standing."Typed caption on verso: "William P. Lear, Sr., center, at CASA plant, Madrid, November 21, 1960. At his right: Mr. Valle, chief of engineer…
Photograph of William P. Lear (center) discussing components with a group of men at a CASA plant, Madrid, Spain, November, 21, 1960.Inscription on verso: "William P. Lear, Sr., center, at CASA plant, Madrid / November 21, 1960. At his right: Mr. Valle, chief engineer of CASA."Typed caption on verso: "William P. Lear, Sr., at the CASA plant, Madrid, November 21, 1960."
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."
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."
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 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."
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."
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."