Railway switch mechanism technical drawing 插畫檔

A detailed black-and-white illustration of a railway switch mechanism, showing its components and layout. The diagram is presented as a technical drawing with hatched lines indicating depth and structure, isolated on a plain white background. The image is a historical engineering schematic, likely from the late 19th or early 20th century, designed to explain the construction and positioning of a railway switch for technical or educational purposes. Historical illustration reproduced from a publication from Italy.