辐射和导电性:入射法则。地球在冬季接受的太阳光比夏季少。1925年的匿名插图。私人收藏。(Radiation and conductibilite: law of incidence. The Earth receives less sunlight in winter than in summer. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 98.13
Enthält 0% MwSt.
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日期不详 · Engraving
· 图片ID: 918745
Private Collection / Bridgeman Images |
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