Excerpt from Transactions of the Odontological Society of Great Britain, Vol. 5 Mr. Coleman asked Mr. Clover if he had used this appa ratus with nitrous oxide. He (mr. Coleman) had long wished to try the effect of an apparatus similar to that exhibited by Mr. Clover, which could easily be so constructed as to admit the introduction of an instrument whilst the patient's head was surrounded with an atmosphere of nitrous oxide, the object of such an arrangement being, of course, the keeping up the anaesthesia during the operation. Mr. Clover said he had not so used his appliance, but he saw no reason why it should not, if slightly modified, be employed in the manner suggested by Mr. Coleman. The President then called upon Mr. Gascoigne Palmer to read his Paper.(5) 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.