61 2236

EXPERIMENTS

AND

OBSERVATIONS

ON DIFFERENT KINDS OF

AIR,

AND OTHER BRANCHES OF

NATURAL PHILOSOPHY,

CONNECTED WITH THE SUBJECT.

IN THREE VOLUMES;

Being the former Six Volumes abridged and methodized, with many
Additions.

By JOSEPH PRIESTLEY, LL. D. F.R.S.

AC. IMP. FETROP. R. PARIS. HOLM. TAURIN. ITAL. HARLEM. AUREL.
MED. PARIS. CANTAB. AMERIC. ET PHILAD. SOCIUS.

VOL. III.

Fert animus caufas tantarum expromere rerum,

Immenfumque aperitur opus.

LUCAN.

BIRMINGHAM,

PRINTED BY THOMAS PEARSON;

AND SOLD BY J. JOHNSON, ST. PAUL'S CHURCH-YARD, LONDON.

MDCCXC.

1790

Of red 4-20-37may

Transs, to
Rare Look Roorn
12-1675

CONTENTS

OF THE

THIRD VOLUME.

E

BOOK VIII.

XPERIMENTS AND OBSERVATIONS RE-

LATING TO DIFFERENT ACIDS page I

Of the nitrous Acid

PART I.

ibid.

Sect. I. Various Obfervations relating to the Process

for making Spirit of Nitre, and of the Production of

Air in the Courfe of it

ibid.

Sect. II. Obfervations relating to the Colour and

Strength of the nitrous Acid, according to different

Circumstances in the Procefs for making it

9

15

Sect. III. Of the Colour of the nitrous Acid

Sect. IV. On the Phlogiftication of Spirit of Nitre 31

Sect. V. Of the Compofition of Spirit of Nitre from

depblogisticated and inflammable Air

43

54

Sect. VI. Objections to the preceding Experiments

confidered

Sect. VII. Of Air produced by the Solution of vege-

table Subftances in Spirit of Nitre

A 2

65

Sect.