Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 165
ortion of a cathedral roof truss is drawn isometrically. Three pieces are shown that are not parallel to isometric lines. To represent them correctly we need to know the real angles made by them with horizontal or vertical pieces, and use isometric coordinates or offsets in laying them out on the… … ISOMETRIC D RAW IN G.~XOX-I SO METRIC LINES. 245 ■Fi-s -aoo. and IC, when Cfl (or 6) is the isometric view of 6. A similar construction, not shown, gavethe directions of pieces D and D. j\Iiich depends on the choice of the isometric centre. Had N been selected instead of B, the topsurfaces of the…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
