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 438
required. Peoblem 178. Through a given ]Joint e to draw a line to meet tioo given lines dband cd, inclined, to each other and not in the same plane. Fig. 218. Find the elevations of ah and cd, as o-B and cD (Prob. 161). Find a point on each of thegiven lines of the same indexas the given point e… … Fig. 218. of the given lines bearing the same index, 7 for example, as hand I (Prob. 162). Draw a line from h parallel to eg, and from I parallel to eh,till they meet in m. Draw a line from e through m intersectingah in n, and cd in jj*. Then ep is the line required, i.e. it is the.intersection of…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
