...ether, when breathed or introduced into the lungs of an animal, have produced a peculiar eo'ect on its nervous system ; one which has been supposed to...calculated to produce pain. This is our discovery, and the combining it with or applying it to any operation of surgery, lor the purpose of alleviating...

...principle, viz., that " the inhalation of certain rapors, particularly those of sulphuric elite?; produces insensibility to pain, or such a state of quiet of...experiencing pain, while under the action of the knife," &c. "This," they say, "is our discovery, and the combining it with, or applying it to, any operation...

...pain, or such a state of quiet of nervous action as to render a person or animal incapable to a groat extent, if not entirely, of experiencing pain while...calculated to produce pain. This is our discovery, and the combining it with or applying it to any operation of surgery for the purpose of alleviating...

...of such vapors (particularly those of .sulphuric ether) would produce insensibility to pain, orsnch a state of quiet of nervous action as to render a...of experiencing pain while under the action of the kuife or other instrument of operation of a surgeon calculated to produce pain. This is our .discovery,...

...stomach, but not into the lungs or air passages. It had not, however, until this discovery, been known that the inhalation of such vapors, particularly those...pain while under the action of the knife or other surgical instrument. This was the real discovery ; and the invention, as claimed on behalf of the complainant,...

...effect on its nervous system ; one which has been supposed to be analogous to what is usually terme:! intoxication. It has never (to our knowledge) been...calculated to produce pain. This is our discovery, and the combining it with or applying it to any operation of surgery, for the purpose of alleviating...