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.
Properly designed Stirling engines have two power pulses per revolution, which can make them very smooth running. Two of the more common types are two piston Stirling engines and displacer-type Stirling engines. The two piston type Stirling engine has two power pistons. The displacer type Stirling engine has one power piston and a displacer piston. The displacer type Stirling engine is shown here.