ivi CONTENTS OF THE FIRST VOLUME.

Page

Experiment I. II .. .... 336

III. IV. 337

V.V1. 338

VII. VIII. 339

IX. X. 340

XI. XII. XIII. 341

. XIV. 342

PART XXXI.

FLUORIC ACID GAS.

Sect. I.Properties of fluoric acid gas.. 343

Methods of obtaining fluoric acid gas_ 344

Rationale of the processes_...___

Sect. II....Experimental proofs of the properties of fluoric

acid gas_ 345

Experiment 1. II._

III. IV. 346

V. 347

Phosphorated carbonated hidrogen gas....... 343

PART XXXII.

THEORIES of COMBUSTION.

Sect. I.....Lavoisier’s theory of combustion .. 350

Sect. II. ...Thomson’s theory of combustion.. 357