Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 89
T. has a minor axis which variesin length with the inclination of the cone or with the distance of its apex from theprojection plane. The method of obtaining the trace is to choose any number ofgenerator lines and produce them until their traces are found, then to draw, byfreehand, the curve… … Fig. 82. Fig. S3. these are best located by recognizing the fact that they pass through the endsof the horizontal diameter of the end of the cylinder. The topmost generator
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
