A pulley is one of the original simple machines. The pulley was possibly created by Archimedes in B.C. times. Its original use was to lift buckets of water. The term sheave can also be used to refer to a pulley.
The Norwegian Roald Amundsen (1872-1928) was the first explorer to reach the South Pole. One of the
greatest figures in the history of polar exploration, he was also the first to sail through the Northwest Passage.