Revolutions into the Plane of Geometric Shapes
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“The H projection of the line AB in the space is a line connecting the feet of all the perpendiculars from AB to the plane. These perpendiculars form what is known as the projecting plane. If this projecting plane to be revolved about its H trace, which is the H projection of the line, until it coincides with H, the line will be seen in its true length.” —French, 1911
Keywords
geometry, plane, planes, Axis Revolution, geometric revolutions, revolution of axis, revolution about axis, Revolution About Axis Perpendicular into PlaneGalleries
ProportionsSource
French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)
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