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 120
ces of revolu-tion, the cylinder, the cone and the sphere. The first is formed by revolving astraight line round an axis of rotation while maintaining a parallel attitude inrelation to it. The second is formed by revolving a straight line round an axisof rotation, the revolving line having one… … The hyperboloid of revolution is obtained as the result of a straight line revolv-ing about an axis of rotation, but not in the same plane with it. Each point inthe revolving line travels in the circumference of a circle for its locus, the planeof which is at right angles to the axis. This will be…
Geometry, Descriptive
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