Higbee, F. G · New York, John Wiley & Sons · leaf 162
ided into zonesby making each zone afrustum of some cone whichnearly coincides with thesurface of the sphere. Of-ten these two methods arecombined in laying out the bottoms of hemispherical tanks. Construction. Gore Method. Divide the surface into goresby meridian planes, keeping in mind the fact…
Geometry, Descriptive
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