PRACTICAL RADIOGRAPHY

A Hand-Book of the Applications of the X-RaysAs is well known, any ordinary source of electricity, whether a battery, dynamo, friction machine, or what not, has two poles or terminals, relatively described as positive and negative. If these are connected by means of a wire we form what is known as a circuit, and when the battery (etc.) is in action a current of electricity passes along the wire.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.