Stråling og ledningsevne: lov om incidens. Jorden modtager mindre sollys om vinteren end om sommeren. Anonym illustration fra 1925. Privat samling.(Radiation and conductibilite: law of incidence. The Earth receives less sunlight in winter than in summer. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
| € 132.11
Inklusive 25% moms |
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Udateret · Engraving
· Billed-ID: 918745
Private Collection / Bridgeman Images |
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