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
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… … By inclining it to both planes, with its shorter edges parallelto XY, pq^ will be the H.T. and rs the V.T. 298 SOLID GEOMETRY For our next illustration we will take a 60° set-square G, asa right angle will not fit closely to the two planes in this posi-tion ; tu will be the H.T. and tw the V.T, If…
Geometrical drawing
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