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An inaugural dissertation on the chemical properties of atmospheric air: submitted to the examination of the Rev. John Ewing, S.T.P. provost, the trustees and medical professors of the University of Pennsylvania : for a degree of Doctor of Medicine, on the twelfth day of May, 1791
An inaugural dissertation on the chemical properties of atmospheric air: submitted to the examination of the Rev. John Ewing, S.T.P. provost, the trustees and medical professors of the University of Pennsylvania : for a degree of Doctor of Medicine, on the twelfth day of May, 1791