class="toc">Of Phosphoric Air30

LECTURE VIII.

Of Dephlogisticated Marine Acid Air31

Of Phlogisticated Marine Acid Air32

LECTURE IX.

Of Vitriolic Acid Air34

Of Fluor Acid Air36

LECTURE X.

Of Alkaline Air37

Miscellaneous Observations relating to Air38

LECTURE XI.

Of Liquid Substances; and first of Water41

LECTURE XII.

Of the Nitrous Acid45

LECTURE XIII.

Of the Vitriolic Acid49

Of the Marine Acid52

LECTURE XIV.

Of the Vegetable Acids, and others of a less perfect nature54

LECTURE XV.

Of the Phosphoric Acid59

LECTURE XVI.

Of Alkalis62

LECTURE XVII.

Of Liquid Inflammable Substances66

Of Æther68

LECTURE XVIII.

Of Oil70

LECTURE XIX.

Of Solid Substances76

Of Calcareous Earth77

Of Siliceous Earth79

LECTURE XX.

Of Argillaceous Earth81

Of Terra Ponderosa82

Of Magnesia83

LECTURE XXI.

Of Ores84

Of Gold87

LECTURE XXII.

Of Silver90

Of Platina92

LECTURE XXIII.

Of Mercury94

LECTURE XXIV.

Of Lead99

Of Copper101

LECTURE XXV.

Of Iron105

LECTURE XXVI.