Because of the First World War, Wegener's book went unnoticed outside Germany. In 1922, however, a third (revised) edition was translated into English, French, Russian, Spanish, and Swedish, pushing Wegener's theory of continental drift to the forefront of debate in the Earth sciences.
A drilling machine, called a drill press, is used to cut holes into or through metal, wood, or other materials (Figure 4-1). Drilling machines use a drilling tool that has cutting edges at its point.
The right drill press will last for years and years. With a Craftsman drill press, you'll have many of the features of an industrial model combined with ease of use perfect for any skill level. Variable speed drill presses will let you customize the speed of the drill bit to the job at hand.