...experiment than before." The results of Sir Humphry Davy's experiments led him to suggest that — " As nitrous oxide in its extensive operation appears...in which no great effusion of blood takes place."* As will be seen further on, the idea of Sir Humphry Davy was not acted on for nearly half a century,...

...you from his own work: "As nitrous oxide in its extensive operation* appears capable of destroying pain, it may probably be used with advantage during...in which no great effusion of blood takes place." In this sentence we have the text of all that has been since performed in the study of anocsthesia...

...experiment than before. The results of Sir Humphrey Davy's experiments led him to suggest that — "as nitrous oxide in its extensive operation appears...destroying physical pain, it may probably be used \vith advantage during surgical operations, in ^vhich no great effusion of blood talces place." In...

...eight minutes. After many similar observations, he came to the conclusion that "as nitrous oxide seems capable of destroying physical pain, it may probably...in which no great effusion of blood takes place." This idea had been formed after ten months of continuous and often hazardous experiments. It was on...

...aware that more than forty years before Davy wrote, " as nitrous oxide in its extensive operation seems capable of destroying physical pain, it may probably...operations, in which no great effusion of blood takes place ;" but as it hud never been used for that purpose, and Mr. Wells being the first to use it to relieve...

...for the relief of pain from surgical operations, as the following extract from his work will show."j" "As nitrous oxide in its extensive operation appears...in which no great effusion of blood takes place." Notwithstanding, however, this recognition of the property of nitrous oxide to cause insensibility...

...striking, and as we approach nearer to our own day, we find this significant hint from Sir Humphrey Davy : "As nitrous oxide, in its extensive operation, appears...used with advantage during surgical operations in which.no great effusion of blood takes place." Even this pregnant suggestion was made half a century...

...and as we approach nearer to our own day, we find this significant hint from Sir Humphrey Davy : " As nitrous oxide, in its extensive operation, appears...be used with advantage during surgical operations m which no great effusion of blood takes place." Even this pregnant suggestion was made half a century...

...extreme operation [deeper stages of its effect] seems capable of destroying physical pain, it will probably be used with advantage during surgical operations...in which no great effusion of blood takes place." Still, this remained a mere prediction until, many years after, the use of agents capable of anœsthetic...

...extreme operation [deeper stages of its effect] seems сараЦе of destroying physical pain, it will ) 萍 Ia "x a 2 gUYi e z 9 WT 5 C Θ h G Still, this remained a mere prediction until, many years after, the use of agents capable of ansesthetic...