Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 112
present inches.Produce the line AB to H, and make BH equal to AB. BHwill then represent one foot. G 98 GEOMETRICAL DRAWING AND DESIGN. 141. How the sector may be used for enlarging or reducing adrawing. Let ABC (Fig. 199) represent three points in a drawing, letit be required to reduce this in the… … Fig. 199. AC ; then take the distance between 4 and 4, and from D ascentre, with this distance as radius, describe an arc. In thesame manner make the distance between 7 and 7 equal to BC ;then with a radius equal to 4, 4, describe another arc from E,cutting the other arc in F. Join EF and DF. Then…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.