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.
DRILL PRESS VISES. General purpose Drill Press Vises are perfect for drilling, tapping, reaming and grinding with options for low profile vises and 3-sided workholding. A durable drill press vise ideal for industrial applications. V-grooves allow clamping of round... A durable drill press vise ideal for industrial applications.