Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 116
hown, and the student shouldbe able to draw this section without any explanation.The same is to be said with reference to the sectionC D. Therefore the only particular explanation willbe as to the method of determining the width of thesection at E F. From centre O draw O L perpendicular to C D,… … //G -</ SCCTiJnC.D, A MANUAL OF MICCI r AN I CAT, DRAWING. Plate 37.—A sphere cut by a plane at an angle to itsvertical axis. In the side elevation a straight linedrawn to the required angle will represent the plane. The section in plan will take the form of an ellipse,and the method of…
Mechanical drawing
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