_Lecture_ 2.--First class: Simple bodies forming one of the essential principles of minerals. Genus silica, quartz, sulphur. Second class: Alkali and alkaline salts, potass, soda, &c. Third class: Alkaline earths, and earths. Genus lime. Fourth class: Metals. Iron of various kinds; copper, lead, tin, zinc. _Lecture_ 3.--Fifth class: Silicates of various kinds. Sixth class: Combustibles, minerals. _Lecture_ 4.--Description of various rocks. Classification of rocks. _Lecture_ 5.--Use of rock and stone in the arts, and particularly in the art of construction. _Lecture_ 6.--On the calcination of calcareous stones, lime-kilns. _Lecture_ 7.--Manufacture of artificial hydraulic lime, manufacture of bricks, stucco, or cements. _Lecture_ 8.--Second Section: Paleontology. General division established in zoology and botany. General notions relating to the different kinds of animals and vegetables, of which the remains are found in various geological formations. Third section: Geognosy. Lectures 9, 10, 11, 12, occupied with the explanation of the various formations. SECOND PART.--ON WORKING IN IRON. _Lecture_ 13.--Preliminary notions. Definitions and general considerations. Characteristics of iron, steel, cast-iron, &c. _Lecture_ 14.--On iron ore and the various kinds of fluxes. _Lecture_ 15.--On combustibles. Vegetable combustibles, mineral combustibles. _Lecture_ 16.--Manufacture of cast-iron. High furnaces, different modes of proceeding with vegetable and mineral combustibles. _Lecture_ 17.--Manufacture of iron and steel and the different kinds of iron. THIRD PART.--APPLICATION OF THE WORKINGS OF IRON. _Lecture_ 19.--Making of projectiles, carriages for guns and mortars, axle-trees and anchors. Use of cast-iron for artillery. General notions in moulding. Use of wrought-iron and steel. Materials first made use of for the making of projectiles, and in the casting of cannon-balls, &c. _Lecture_ 20.--On the manufacture of hollow projectiles and the carriages for guns and mortars. _Lecture_ 31.--On the manufacture of axles and anchors. FOURTH PART.--ON THE MANUFACTURE OF SMALL-ARMS. _Lecture 22._--Preliminary considerations. Assay of metals. Fire-arms, manufacture of gun-barrels, describing the various details. _Lecture_ 23.--Bayonets, locks, &c. _Lecture_ 24.--On the making of stocks. Finishing. Rifling small-arms. _Lecture_ 25.--Manufacture of sabres, swords, lances, hatchets, cuirasses, and on the preservation, maintenance, and repair of arms. FIFTH PART.--ON THE MANUFACTURE OF ORDNANCE. _Lecture_ 26.--Preliminary notions. Metals proper for the manufacture of ordnance. Composition and properties of gun-metal. Wrought and cast-iron ordnance. Moulding generally. Moulding of cannons. _Lecture_ 27.--Moulding of howitzers. Foundries. Fusion of the metals. _Lectures_ 28, 29.--Boring. Turning. Carving. Turning of the trunnions, &c. Manufacture and reception of bushes. Insertion and replacement of bushes.