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.
Get accuracy and power with a new drill press. A drill press is key to any workshop. Their speed and precision allow them to work on almost any material. Sears carries models with laser guides and spotlights to help increase the accuracy of your drill. Floor drill presses will give you a sturdy place to work.