A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 370
. The circles that represent ^^- ■* the end surface of the cylinder in each view are divided intoa convenient number of equal spaces, and from the pointsthus located lines parallel to the axis of the cylinder aredrawn on its surface. These lines are then projectedin the same way as the lines that… … * Too much stress cannot be laid on this important statement; as thestudent progresses with the projection of the views, he will see tlie im-portance of this matter. The work must be done slowly, keeping thepencil pointswell sharpened; the position of the points in the drawingmay then be accurately…
