Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 20
6. Let any line XY be drawn and a point P taken anywhere onthe drawing-paper. It is required to draw through P, (a)a line parallel to XY; (b) a line perpendicular to XY; (c) aline symmetrically inclined with XY. (a) Place the edge AB of the clinograph on the edge of the tee-square ; move the…