Calendar: 1869-1870 Page 137

APPLIED SCIENCES 137 Scales plain and diagonal Laying on flat and gradated shades in tinting and the use of colours to express materials in Plans Sections &c Practical Solid Geometry -The deduction of projections of solids in more complicated positions from simpler by the transformation of the co-ordinate planes The mode of re- presenting surfaces by the projection of their generatrices or by contours and of determining tangent and normal planes by means of them The development of ruled surfaces admitting it and of lines lying on them The determination of Shadows by orthogonal or radiating rays on plane and curved surfaces The intersection of surfaces and Problems on the lines of double curvature resulting from them The principles of Perspective or Radial Projection The con- struction of the small and great circles of the Sphere as applied to that of Maps and the graphical solution of the cases of the Spherical triangle The Course-Book is the Elements of Practical Geometry published by the Council of Education and written by Pro- fessor Bradley ARCHITECTURAL ENGINEERING AND MECHANICAL DRAWING Elementary Exercises of the Course -The enlargement and reduction to various scales of examples from acknowledged works of merit principally of modern construction and drawings to scale from rough figured sketches until the Student shows sufficient neatness accuracy and general know- ledge of the subject to render him of some service in the office of an Architect or Engineer Architectural Drawing -The Student will then make working drawings for the construction of Roofs F100r3 and general details of buildings in conformity with modern practice Advanced Students will proceed to apply their know- ledge of construction to architectural design will receive instruction in the elements and principles of the ornament suitable to the building and the leading features of the various historic styles of ornament the projection of shadows