Excerpt from The Voice, in Speech and Song: A View of the Human Voice for Speakers and Singers and All Who Love the Arts of Speech and Song Every tone Of the voice will resolve the powder into a geometrical figure, on which the vibrations Of the voice are recorded by clear and regular lines. The form of the figure will differ according to the pitch, in tensity and duration of the tone. For the peculiar Vibrations Of each tone cause similar vibration of parts Of the membrane, and thus the powder is thrown off from these parts and collects on the lines Of no vibration, called the nodal lines. 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.