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Upon the Production of Sound by Radiant Energy: Paper Read Before the National Academy of Sciences, April, 21, 1881 (Classic Reprint)

Alexander Graham Bell

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Excerpt from Upon the Production of Sound by Radiant Energy: Paper Read Before the National Academy of Sciences, April, 21, 1881

The substance to be tested was to be placed in the interior of a transparent vessel, made of some material which is transparent to light, but practically opaque to sound.

Under such circumstances the light could get in, but the sound produced by the vibration of the substance could not get out. The audible effects could be studied by placing the ear in communication with the interior of the vessel by means of a hearing tube.

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.

Pages: 50

Format: Paperback

Publisher: Forgotten Books

Release: April 22, 2018

ISBN: 1333707029

ISBN 13: 9781333707026

Upon the Production of Sound by Radiant Energy: Paper Read Before the National Academy of Sciences, April, 21, 1881 (Classic Reprint)

Alexander Graham Bell

0/5 ( ratings)

Excerpt from Upon the Production of Sound by Radiant Energy: Paper Read Before the National Academy of Sciences, April, 21, 1881

The substance to be tested was to be placed in the interior of a transparent vessel, made of some material which is transparent to light, but practically opaque to sound.

Under such circumstances the light could get in, but the sound produced by the vibration of the substance could not get out. The audible effects could be studied by placing the ear in communication with the interior of the vessel by means of a hearing tube.

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.

Pages: 50

Format: Paperback

Publisher: Forgotten Books

Release: April 22, 2018

ISBN: 1333707029

ISBN 13: 9781333707026

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