Photograph of two Lear Avionics engineers working in a lab, circa 1960s.Typed caption on verso: "Avionics Service Engineers' equipment, as shown in this view of the modern shop, permits fast, accurate analysis of autopilot malfunctions."
Photograph of a Cal-State Air Lines Handley Page H.P.137 Jetstream aircraft (tail number N12224) and a Learjet 25 aircraft (tail number N695LJ) in a hangar, circa 1960s.
Photograph of William P. Lear and Wilbur Nelson seated in an experimental helicopter at the University of Michigan, circa 1960s. Inscription on verso: "WPL, Wilbur Nelson & experimental helicopter at Univ. of Michigan."