Photograph of the LJ23 Automatic Flight Control System, circa 1960s-1970s. The components are described in the caption.Typed caption on verso: "[letterhead: 'Lear Jet Corporation / Photo Release'] Components that make up the new LJ23 Automatic Flight…
Photograph of the Lockheed-Sunnyvale 50 KVA System, circa 1960s-1970s.
Typed caption: "Lockheed-Sunnyvale 50 KVA System / Shown during final run-in with thermal instrumentation connected to inverters. (Reflections on front panel caused by temporary…
Photograph of a Lear Jet Remote Status Alarm Module and a scale model of a Learjet aircraft, circa 1960s-1970s.
Typed caption: "Remote Status Alarm Module -- Vandenberg AFB. / Delivered 5-69."
Stamped on verso: "Lear Jet Photo."
Photographic slide of a Lear Jet Noise Suppressor installed on the engine of a Learjet 23 aircraft, circa 1960s-1970s.Inscription on slide mount: "Lear Jet Noise Suppressor / P-55."
Photograph of William P. Lear and R. H. Breithaupt with a Learjet mockup at the Reading Aviation Service 13th National Maintenance and Operations Meeting, Reading, Pennsylvania, June 1962.Typed caption on verso: "Wm. P. Lear, Sr., president, Swiss…
Photograph of the Learjet 23 prototype undergoing fuel tests at the Lear Let plant in Wichita, Kansas, circa 1963.Inscription on verso: "Fuel tests."Stamped on verso: "Sep. 6, 1963."
Photograph of three Learjet 23 aircraft (one visible tail number: N801L) undergoing assembly and testing at the Lear Jet plant in Wichita, Kansas, circa 1963. Includes typed press release.Typed press release included with image: "For immediate…