Inside Out Library · ExploreThe Fundamental Principles of High-speed Semi-diesel Engines. Part III: a Discussion of Fuel Mixing and Ignition, with Special Reference to Engines with Precombustion Chambers (1926)NASA Technical Reports Server (NTRS) · leaf 31Fig.34 N.A.C.A. Technical Memorandum No.358 … Fig,34 Aero four-stroke-cycle engine.NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from The Fundamental Principles of High-speed Semi-diesel Engines. Part III: a Discussion of Fuel Mixing and Ignition, with Special Reference to Engines with Precombustion ChambersMore like this