Diagram (photographic reproduction) of a complexity comparison between a steam system and a gas turbine, circa 1968-1976.Title: "Complexity comparison."Inscription on verso: "Master / Do not remove."Typed on verso: "Figure 53."
Photograph of people monitoring the first test of the Lear turbine engine, circa 1968-1976. William P. Lear is behind the barrier, second from right.Typed in margin: "First test of Lear turbine engine / Photo-Illustration / Art Alanis."
Technical drawing (photographic reproduction) of the Lear Vapordyne Indy race car, circa 1969-1971.Caption: "The 'Lear Vapordyne' Championship Car."Typed on verso: "Championship steam race car built by Lear Motors Corporation and on display at the…
Photograph of William P. Lear with a boiler for the Lear Vapordyne Indy race car, circa 1969-1971.Inscription on verso: "Please return this photo to W. A. Moore, Lear Motors Corp., [address Reno, Nevada]."