Modern Electrical Construction: A Reliable, Practical Guide for the Beginner in Electrical Construction, Showing the Latest Approved Methods, of Insta

Bücher

Angebote / Angebote:

Excerpt from Modern Electrical Construction: A Reliable, Practical Guide for the Beginner in Electrical Construction, Showing the Latest Approved Methods, of Installing Work of All Kinds According to the Safety Rules of the National Board of Fire Underwriters It is the ¿ow of electricity or air which takes place when switches or valves are operated and which tends to equalize this pressure, i. E., ¿ow from high to low pressure, that does our work. The real energy, however, (so far as we are con cerned), to which. We must look for our initial motion in either case is derived from the coal which generates steam, or, in the case of water-driven machinery, the rays of the sun which evaporate water, allowing it to be carried to higher levels, from whence it ¿ows downward over dams and falls on its way back to the lowest level. In the battery, the real energy is that of chemical action, which is transformed into electrical energy. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.