震动运动:波长。落入水中的石头会降低然后抬高水位,水中的塞子会上升和下降,但会保持原位。1925年的匿名插图。私人收藏。(Vibratory movements: wavelength. A stone that falls into the water lowers and then lifts the water level, plugs in the water go up and down but remain in place. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 98.15
Enthält 0% MwSt.
|
日期不详 · Engraving
· 图片ID: 929722
Private Collection / Bridgeman Images |
0 评测 |