Classic **AJS Model 20/25 sidecar motorcycle** (1950s–1960s) with exposed V-twin engine, pressed-steel fenders, and spoked wh... Classic Jawa motorcycle, likely a **Jawa 350cc** model, photographed in mid-20th century (1950s–1960s). Prominent sidecar-mou... Mid-century vintage motorcycle rider in protective gear, likely 1950s–1960s. Classic CWK or CWK-style bike with chrome detail... Vintage industrial engine with exposed inline cylinders, likely a diesel or steam-powered unit, mounted on a metal frame with... Vintage industrial engine with exposed cylinder fins, gearing, and flywheel, likely from mid-20th century machinery. Rust and... Vintage industrial engine with radiator fins, hand crank, and exposed mechanical components, likely mid-20th century. Rust an... Vintage motorcycle frame with sidecar, likely mid-20th century. Rust and wear indicate prolonged outdoor exposure. Frame feat... Vintage motorcycle frame in disassembled state, likely for repair or restoration, with visible welding seams and rust. Poster...