Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 134
/./ne ofJnfersechon /=^/g. ^&S It is often necessary to determine the intersection of two sur-faces, either to find the appearance or for purposes of develop-ment. The intersection between two planes is a straight line as shownin Fig. 287. If these planes cut a cylinder or cone the lines of… … curved (Figs. 288 and 289). Ifthe plane is at right angles tothe axis a right section is cut asshown by the horizontal planeswhich intersect the cylinder andcone in circles. If the planet/g.^a&. passes through the axis it inter- sects the cylinder in a straight line parallel to the axis called…
Mechanical drawing
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