Jean Baptiste Joseph Delambre, French mathematician and astronomer, (1836). Delambre (1749-1822) was Director of the Paris Observatory. Together with Pierre Mechain, between 1792 and 1799 he undertook an expedition to measure precisely the distance along the meridian between Dunkirk and Barcelona in order to establish the exact length of the metre on the basis of it being 1/10, 000, 000th of the distance from the North Pole to the Equator. Artist: B Holl | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / The Print Collector |
Bildgröße: | 2929 px × 3610 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |