Abstract
The need to determine the lines or curves of intersections between two surfaces of similar or different geometric shapes occurs in the fabrication of ducts, boiler mountings, pipe fittings, aircraft and automobile bodies. If two geometric shapes with curved surfaces meet or penetrate each other, the lines of intersection is a curve. The curve of intersection is determined by plotting the projections of points which are common to both surfaces. This is done by choosing section planes which cut the surfaces in lines or circles. The intersections of these lines give points on the required curve.
Published Version
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