Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 318
Fig. 102. … theseout co-flat On openingordinate planesthese traces will appear asshown in Fig. 103. We will now place thepiece of cardboard perpendic-ular to the H.P. and inclinedto the Y.P., as D (Fig. 104):hh will then be the H.T., andM the V.T. Now incline it to the H.P. and make it perpendicular to…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
