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.
How to Use a Drill Press Machine: A drilling machine comes in many shapes and sizes, from small hand-held power drills to bench mounted and finally floor-mounted models. They can perform operations other than drilling, such as countersinking, counterboring, reaming, and tapping large or small holes.
Between the tilt of the head and the tilt of the table, you can drill any angle necessary. You can also use it as a horizontal boring machine. Add to this an incredible swing which allows you to bore to the center of a workpiece that is 34in. wide and you have one of the best values available in a drill press.