电气现象:在电线中快速循环的电流,在环绕电线的乙醚中发展,是乙醚的旋涡。1925年的匿名插图。私人收藏。(Electrical phenomena: an electric current that circulates quickly in a wire developed in the ether that surrounds the wire a vortex of ether. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 99.08
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日期不详 · Engraving
· 图片ID: 916078
Private Collection / Bridgeman Images |
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