geo220-fig-0003 October 13, 2017 Return to: Global environmental images: history, politics, cultureFull resolution (1064 × 492) Image navigation Previous Image Next Image Isolines as mobilised by Alexander von Humboldt in 1817 for global temperature. Source: Princeton Library Historic Maps Collection
Isolines as mobilised by Alexander von Humboldt in 1817 for global temperature. Source: Princeton Library Historic Maps Collection
