Smith, Leslie John, 1881- [from old catalog] · New York, The Macmillan company · leaf 18
ree tri-angle is to be had, use the protractor; or in case none isat hand, draw an equilateral triangle with one side verticalto an imaginary horizontal Hne; the other two sides willbe at an angle of 30 degrees with this line. One can buy pads of 9 X 12 isometric section paperwhich is lined… … 8 ESSENTIALS IN MECHANICAL DRAWING type of drawing. It also gives the method of putting indimensions. Where the isometric drawings are made of cylindricalobjects, the circle appears as an ellipse which is usuallydrawn by an approximate method. First draw an isomet-ric square whose sides are the…
Mechanical drawing
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