I runga i 16 Oketopa 1846, Boston niho William Thomas Green Morton hoatu he whakaaturanga angitu te whakamahi i te diethyl ether ki ngā ākonga rongoā i te wāhi taua. Morton, e kore nei i mohio o te mahi o mua o Long, i karangatia ki te Massachusetts General Hospital ki te whakaatu i tona tikanga hou mō te pokanga mamae. I muri i Morton i whakaoho i te anesthetic, i tangohia e te taiawhio John Collins Warren he pukupuku i te kaki o Edward Gilbert Abbott. tupu tenei i roto i te amphitheater taia inaianei te Ether Dome. I mua i whakaaro Warren i whakaarohia, ka mea, "Gentlemen, tenei he humbug". I te 18181818 i tika te whakahaere i te oxide nitrous, ka karanga te tūroro i roto i te mamae. I te 16 Oketopa 1846, Boston niho William Thomas Green Morton hoatu he whakaaturanga angitu te whakamahi i te diethyl ether ki ngā ākonga rongoā i te wāhi taua. Morton, e kore i mohio o te mahi o mua o Long, i karangatia ki te Massachusetts General Hospital ki te whakaatu i tona tikanga hou mō te
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