Calendar: 1867-1868 Page 134

134 applied sciences VII Drawing geometrical architectural and engineering first Year Monday 15 to and Thursday to Second Year Tuesday to 30 Friday to Third Year Tuesday 15 to Friday to and to The Drawing Room is also open on Wednesday afternoon from to for special instruction in Architectural and Engineering Drawing During the First and Second Years the Students carry on their Practical Geometry and their Engineering or Mechanical Drawing on alternate days while in their Third Year they are allowed to use their own discretion as to the time they devote to either subject Occasional Students can attend daily Saturday excepted geometrical drawing The course comprises the following subjects Practical Plane Geometry -The delineation of the curves required in the Arts such as the Ellipse Cycloid Epicycloid Involutes Spirals The construction of Polygons and mixed figures having an axis of symmetry The construction of 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