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 539
he regulating point, and draw the three axesIc, de, and/^ through it at the isometric angles. Make each of theends of these lines equidistant from a, and join tliem as shown.In all the foregoing illustrations in this chapter the uppersides of the objects are shown. It is sometimes necessary to… … Fig. 298. XXXVI ISOMETRIC PROJECTION 519 To determine the octagonal surface. Draw a semicircle ontlie line ah, and enclose it in half an octagon geometrically. Fig. 299. Draw lines from the points c and d perpendicular to ah to obtainthe points c, d!. Set off these distances on each side of…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-112-296.webp)
