Radiation and conductibility: light heat (sunburn at the South pole) and dark heat (in mines the temperature rises by 1 degree per 30 metres). Anonymous illustration from 1925. Private collection.Anonymous Anonymous |
€ 99.08
Enthält 0% MwSt.
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Undated · Engraving
· Picture ID: 918743
colour · colours · engraving · physical · south pole · knowledge · heat · 20 20th 20th xx xxth 20th century · temperature · bianchetticor · mine · energy · energy · Private Collection / Bridgeman Images |
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