重力:物体以相同的速度下落。利用比萨塔来说明物体下落的规律。1925年的匿名插图。私人收藏。(Gravity: bodies fall with the same speed. Use of the Tower of Pisa to illustrate the laws of falling bodies. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 99.08
Enthält 0% MwSt.
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日期不详 · Engraving
· 图片ID: 918712
Private Collection / Bridgeman Images |
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