Continuation of the Study of Toothed Gear.—Design for a pair of bevel wheels in gear. Construction of wooden patterns for a pair of bevel wheels. Involute and Helical Teeth. Contrivances for obtaining differential Movements. Rules and Practical Data.
Elementary Principles of Shadows.—Shadows of Prisms, Pyramids, and Cylinders. Principles of Shading. Continuation of the Study of Shadows. Tuscan Order. Rules and practical data.
Application of Shadows to Toothed Gear.—Application of Shadows to Screws. Application of Shadow to a Boiler and its Furnace. Shading in Black—Shading in Colors.
The Cutting and Shaping of Masonry.—Rules and Practical Data. Remarks on Machine Tools.
The Study of Machinery and Sketching.—Various applications and combinations: The Sketching of Machinery. Drilling Machines; Motive Machines; Water wheels. Construction and Setting up of water wheels. Delineation of water wheels. Design of a water wheel. Sketch of a water wheel. Overshot water wheels. Water Pumps; Steam Motors; High-pressure expansive steam engine. Details of Construction; Movements of the Distribution and Expansion Valves; Rules and Practical Data.
Oblique Projections.
Parallel Perspective.
True Perspective.—Elementary principles. Applications—flour mill driven by belts. Description of the mill. Representation of the mill in perspective.
Examples of Finished Drawings of Machinery.
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