Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 92
le with OA. With the scale, or dividers, Irregular Curves and Geometrical Drawing 83 lay off any convenient unit from O on OB, as many timesas parts into which it is desired to divide OA. Connect thelast division with A, as 7A. Then draw lines through theother divisions parallel to 7A; they will… … 6 7y A 5 A ^ A very ready application. To illustrate: If the distancebetween two parallel lines is to be divided into equal parts,in order that a number of parallels may be drawn to the firstpair of lines, and they lie either horizontal or vertical, takethe scale with any convenient unit, swing it…
Mechanical drawing
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