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 147
draw lines parallel to BD.The distances Ai, Ah, Ag, etc., will then give the originalmeasurements to the enlarged scale of 3 : 2. To reduce the original drawing in the same proportion, i.e.2 : 3. With A as centre, and radius AB, draw the arc BE.From E draw the line EF parallel to BD. AF will then… … Fi- 252. a given number of equal parts, but it can also be used forenlarging or reducing a drawing to a given scale.
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
