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 220
planes,(/) having one end in xy, (m) being perpendicular to xy,and (n) having its two ends respectively in the planes ofprojection. In studying the position of the lines, let the studenttake the model described in Art. 168. Pieces of wire passed through the paper, or held in thehand, may be used to… … (a)(b) CO (d) (e) (f) (g) Qv) (k)
