The INTRODUCTION.
Section I. A general view of preceding Discoveries relating to Air Page 1
Sect. II. An Account of the Apparatus with which the following Experiments were made 6
PART I.
Experiments and Observations made in, and before the Year 1772. 23
Sect. I. Of Fixed Air 25
Sect. II. Of Air in which a Candle, or Brimstone, has burned out 43
Sect. III. Of inflammable Air 55
Sect. IV. Of Air infected with Animal Respiration, or Putrefaction 70
Sect. V. Of Air in which a mixture of Brimstone and Filings of Iron has stood 105
Sect. VI. Of Nitrous Air 108
Sect. VII. Of Air infected with the fumes of burning Charcoal 129
Sect. VIII. Of the effect of the calcination of Metals, and of the effluvia of Paint made with White-Lead and Oil, on Air 133
Sect. IX. Of Marine Acid Air 143
Sect. X. Miscellaneous Observations 154
PART II.
Experiments and Observations made in the Year 1773, and the Beginning of 1774.
Sect. I. Observations on Alkaline Air 163
Sect. II. Of common Air diminished, and made noxious by various processes 177
Sect. III. Of Nitrous Air 203
Sect. IV. Of Marine Acid Air 229
Sect. V. Of Inflammable Air 242
Sect. VI. Of Fixed Air 248
Sect. VII. Miscellaneous Experiments 252
Sect. VIII. Queries, Speculations, and Hints 258
The APPENDIX.
Number I. Experiments made by Mr. Hey to prove that there is no Oil of Vitriol in water impregnated with Fixed Air 288
Number II. A Letter from Mr. Hey to Dr. Priestley, concerning the effects of fixed Air applied by way of Clyster 292
Number III. Observations on the Medicinal Uses of Fixed Air. By Thomas Percival, M. D. Fellow of the Royal Society, and of the Society of Antiquaries in London 300
Number IV. Extract of a Letter from William Falconer, M. D. of Bath 314
Number V. Extract of a Letter from Mr. William Bewley, of Great Massingham, Norfolk 317
Num. VI. A Letter from Dr. Franklin 321
Number VII. Extract of Letter from Mr. Henry of Manchester 323