The federal government can also regulate commerce within a state when it may impact interstate movement of goods and services, and may strike down state actions which are barriers to such movement under Chief Justice John Marshall's decision in Gibbons v. Ogden (1824).
Unless otherwise stated, all the engines here got nowhere. THE UNUSUAL INTERNAL COMBUSTION ENGINE PAGES (The greyed-out engines have not yet been delivered to the Museum) The Atkinson Cycle engine The Atkinson Cycle engine: 1887 ANIMATED. Compound IC engines The Deutz compound engine: 1879. The Forest-Gallice Compound Petrol Engine: 1888.
A flathead engine (a.k.a. sidevalve engine (SV), flathead, or flatty)[1] is an internal combustion engine with valves placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine. As the cylinder cross-section has the shape of an inverted L, other names such as L-block or L-head are also common.