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.
Features and Benefits Drill press vises with an angle orientation feature a hand-tightening mechanism to lock the angle from 0 to 90 degrees. Stationary or fixed vises are used for machining straight surfaces. They can be fastened to the machine at either a parallel or at a right angle.