Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 177
tintersects the H.P., will be its H.T. If we place it parallel to the H.P. and perpendicular to the v.p.,as B, the line </</, whereit intersects the v.p.,will be its v.t. By placing it perpen-dicular to each plane, asC, ^will be its H.T. and Xeg its V.T. On opening these co-ordinate planes…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-235-120.webp)
