File:Ludvig August Colding.jpg

DescriptionLudvig August Colding.jpg English: Ludvig August Colding (1815-1888), Danish physicist and engineer Date 1860s date QS:P,+1860-00-00T00:00:00Z/8

DescriptionLudvig August Colding 2.jpg English: Ludvig August Colding (1815-1891), Danish physicist and engineer Date before 1891 date QS:P,+1891-00-00T00:00:00Z/7

This file has an extracted image: Ole Rømers Opdagelse af Lysets Tøven (page 1 crop).jpg.