输液管 – (Auguste Arthur De La Rive) 上一页 下一页


艺术家:

博物馆: Museo della Radiologia (Palermo, Italy)

术:

电蛋,也叫"去" Rive管用他发明者的名字取自物理学家Auguste De La Rive(1801年 - 1873年),用于研究和观察稀有气体放电. 它是一个玻璃蛋,里面有两个铁小杆,以两个小地球为终点,可以分别通过终端与正极和负极相接. 在这个仪器的底部有一个水龙头可以连接容器和真空泵.

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.

This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.


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.