Excerpt from On Articulate Sounds: And on the Causes and Cure of Impediments of Speech During the past and the present century great ad vances have been made in the science of Acoustics, Which has been applied With considerable success to the functions of the vocal organs in man. The Author has therefore thought it desirable at this time to give a brief exposition of the Physiology and Pathology of the articulating organs. Those Who have studied the treatises of Euler, Poisson, Chladni, Biot, Sir J oh'n' Herschel, and the Rev. Mr. Willis, must not only have derived a toler ably correct opinion of the present state of acoustic science, but must also perceive the difficulties With Which the subject of vibrating membranes is still encompassed. 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.