Notes on technical sketching and free hand lettering for engineering students (1912)
Smith, Alton Lincoln, 1867- [from old catalog] · Worcester, Mass., The author · leaf 97
Fig. 41 94 234. Find the center K, of the top face by the intersection of diagonals and draw PT through it perpendicular to CH. Mark the middle points of the sides of the topface and sketch in the ellipse which is the projection of the inscribedcircle. Draw the ellipses for the other two faces,… … Fig. 42 235. The three lines CE, CD and CH represent lines actuallyperpendicular and of equal length. They may be considered as axis linesof length, breadth and thickness. If the cube which this projectionrepresents were a 1 cube, then the projection of any other rectangularsolid could be easily…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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