From The British Museum. The bone, ivory and wood sled from Greenland was collected from Inughuit (Polar Inuit) early in the 19th century, c1818. The British Museum descriptions says, "The sled is mostly made from whale, walrus and other bone, and wood, tied with walrus skin. The shoes on the runners are made of strips of narwhal ivory. It was collected by John Ross (1777- 1856) on the first occasion that this isolated group of Inuit came into contact with Europeans."