Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 222
own a general case, avase whose outer surface is a double curvedsurface of revolution. The axis is placedperpendicular to //. 165. Meridians. The F-projection, Fig.290, shows the true shape of the sectionmade by a plane containing the axis of thesurface. Such a section is called a meridiansection,… … Fhi. 290. 202 DESCRIPTIVE GEOMETRY PCX, § 165
Geometry, Descriptive
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