Discovery by the Late Dr. Horace Wells: of the Applicability of Nitrous Oxyd Gas, Sulphuric Ether and Other Vapors in Surgical Operations, Nearly Two Years Before the Patented Discovery of Drs. Charles T. Jackson and W. T. G. Morton

Discovery by the Late Dr. Horace Wells: of the Applicability of Nitrous Oxyd Gas, Sulphuric Ether and Other Vapors in Surgical Operations, Nearly Two Years Before the Patented Discovery of Drs. Charles T. Jackson and W. T. G. Morton