Mechanical device with coiled springs and adjustable arm 插畫檔

A detailed technical illustration of a mechanical device featuring multiple coiled springs and an adjustable arm, constructed from metal components. The apparatus is shown in isolation on a plain white background, suggesting its use as an engineering or industrial diagram. The design implies a functional mechanism, possibly for measurement or force application, rendered with precision to highlight its structural elements and operational parts. Historical illustration reproduced from a publication from France.