Little Masterpieces of Science: Explorers

"The love of adventure, the expectation of the unexpected, have ever prompted men stout of heart, and ready of resource, to brave the perils of wilderness and sea that they might set their feet where man never trod before. The world owes much to the explorers who have faced hostile savages, stood in jeopardy from the cobra and the lion, the foes as deadly which lurk in the brook which quenches thirst. A traveller like Clarke takes his life in his hands. He breaks a path which leads he knows...