An original oil engine cutaway model, designed as a technical and educational teaching aid, showcasing the internal construction and working principles of an early oil-powered internal combustion engine. This solid, mechanically accurate model was created for use in technical schools, engineering training centers, and industrial education, allowing students to clearly observe the motion and interaction of key engine components. Description * The model features a fully sectioned engine block, exposing: * piston and connecting rod * crankshaft and flywheel * valve mechanism and springs * fuel delivery and control elements * timing and transmission components The engine can be manually operated, making the internal movements clearly visible and easy to demonstrate. Construction & Materials * Heavy cast metal construction * Steel and alloy mechanical components * Mounted on a solid display base The use of contrasting colors highlights functional elements and improves visual clarity, a common feature of professional teaching models. Condition * Overall condition: good vintage condition * Visible wear, patina, and surface oxidation consistent with age and educational use * No restoration attempted, preserving its authentic industrial character The model remains structurally complete and visually impressive, ideal for both educational and display purposes. Historical & Collectible Context Oil engine cutaway models like this were widely used during the mid-20th century to teach principles of internal combustion, lubrication, and mechanical timing. Today, they are increasingly sought after by: * collectors of industrial and scientific instruments * mechanical engineers and educators * museums and technical schools * interior designers seeking authentic industrial décor Photographs form an integral part of the description and accurately reflect the condition of this item. All items featured in our auctions, including this original oil engine cutaway model, are sourced directly from our private collection at OldMoneyWatches. We are dedicated collectors with a passion for rare and historically significant technical objects. Bid with complete confidence; you are purchasing from a trusted seller with top-rated reviews and careful, professional shipping.