Pierre-Louis Moreau de Maupertuis pointing out the length of a degree on the longitude of meridian in Lapland to two people. Etching, 1753.

Date:
1753
Reference:
568188i

Licence: Public Domain Mark

Credit: Pierre-Louis Moreau de Maupertuis pointing out the length of a degree on the longitude of meridian in Lapland to two people. Etching, 1753. Wellcome Collection. Source: Wellcome Collection.

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