Enjomor Gamma Type Hot Air Stirling Engines with Light and Voltmeter Features: Creative Design: The Stirling engine is a remarkable desktop technology toy that runs steadily and quickly for an external combustion engine by heating the alcohol lamp and spinning the flywheel. .Powered by Technology..

Holt H75 Tractor Engine Gas 12cc Four-cylinder OHV Engine Scale Model with Governor Features: .Vintage engine: I believe several of you immediately recognised that this H75 engine is a small Caterpillar Holt 75 engine.From the 1910s to the 1920s, the gasoline-powered Holt 75 Caterpillar, used for ..