International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades or for Those Who Desire Information Concerning Them (Classic Reprint)
Excerpt from International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades or for Those Who Desire Information Concerning Them Light, heat, electricity, and magnetism are all supposed to be transmitted through space by some active condition of the ether, either in the form Of longitudinal or of horizontal vibrations. If a bell is vibrating in a glass vessel, the sound can be heard from the outside; but if the vessel is put in communication with an air pump and ...
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Excerpt from International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades or for Those Who Desire Information Concerning Them Light, heat, electricity, and magnetism are all supposed to be transmitted through space by some active condition of the ether, either in the form Of longitudinal or of horizontal vibrations. If a bell is vibrating in a glass vessel, the sound can be heard from the outside; but if the vessel is put in communication with an air pump and exhausted, the sound grows fainter and fainter as the vacuum increases, Showing that the sound needs the air for its transmission. A magnet enclosed in a glass vessel is just as active when the vessel is exhausted as when it is not. The filament of an incandescent lamp, although it glows in a vacuum, is visible from the outside of the globe, proving that air is not necessary for the transmission of light. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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Choose your shipping method in Checkout. Costs may vary based on destination.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
All Editions of International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades or for Those Who Desire Information Concerning Them; Fully Illustrated and Containing Numerous Practical Examples and Their Solutions