辐射和传导性:光热(南极的晒伤)和暗热(在矿区,温度每30米上升1度)。1925年的匿名插图。私人收藏。(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.)匿名匿名 |
€ 99.08
Enthält 0% MwSt.
|
日期不详 · Engraving
· 图片ID: 918743
Private Collection / Bridgeman Images |
0 评测 |