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On the Mechanical and Chemical Operations of
Assaying . .
Furnaces, Fuel, Crucibles, &c.
Fuel . . . .
The effects produced by Wind and Blast Furnaces
Crucibles, Cupels, &c.
Cupels : :
Methods of measuring the Heat of Furnaces
The Fluxes, their Composition, Mode of Preparation
and Use .
Reducing Agents .
On the Blow-Pipe and its use-Discrimination of
Minerals, &c. . .
Auxiliary Apparatus, &c. .
Solid Reagents ..
Liquid Reagents .
General Routine of blow-pipe Operations . .
Compounds of Sulphur with the Metals, Sulphurets ..
Saline Substances, Sulphates, Phosphates, Iodides, Bro-
Coloured Flames .
On the Indications given by the most common of the
Minerals on being treated by the Blow-Pipe
aided by Fluxes
Minerals of Copper .
Ores of Lead
Ores of Zinc
Ores of Tin
Ores of Iron
Ores of Manganese .
Ores of Chromium .
Ores of Antimony.
Ores of Mercury
Ores of Silver
Ores of Nickel .
On the Discrimination of Minerals by means of the
Blow-Pipe aided by Humid Analysis . .
Class I. Minerals possessing a Metallic Lustre.
Class II. Metals possessing no Metallic Lustre
Minerals of all the Common Metals; their Compo-
sition, and method of determining their Contents
by Humid Analysis
Minerals of Iron .
Minerals of Lead .
Minerals of Copper · . . .'
Minerals of Zinc .
Assay of Zinc Ores .
The Humid Analysis of Zinc Ores, Alloys, &c.
Assay of Gold
Auriferous matters which do not pass the Cupel .
Alloys; or, Mixtures of Gold with Iron, Tin, Zinc, Bronze,
Auriferous matters which can be directly cupelled
Assay Table, showing the amount of Gold or Silver,
in Ounces, Pennyweights, and Grains, contain-
ed in a Ton of Ore, &c., from the weight of
Metal obtained in an Assay of 200 Grains of
Mineral . · · ·