杜布瓦感应圈 – (Emil Heinrich Du Bois-Reymond) 上一页 下一页


艺术家:

博物馆: Museo della Radiologia (Palermo, Italy)

术:

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。

This artwork is in the public domain.

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Public domain

This image (or other media file) is in the public domain because its copyright has expired. However - you may not use this image for commercial purposes and you may not alter the image or remove the watermark.

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Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement that rule of the shorter term.