艺术家: Emil Heinrich Du Bois-Reymond
博物馆: Museo della Radiologia (Palermo, Italy)
术: 铜
这个由埃米尔·杜·布瓦-雷蒙德(1818年-1896年)所发明的装置是用来产生可变强度电能的诱导线圈. 它由一木制长方形基座组成,有两道圈:一是固定圈子和可移动圈子. 将第二个线圈与固定线圈相去甚远,有可能使放电强度多样化。
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