Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 38
e, and lay off on itthe required number of equal spaces of any convenient length.Join CB and through the divisions on AC draw lines parallelto CB, dividing AB as required in the points i, 2, 3, 4, etc. Mg.b 30. To Divide a Line AB Proportionally tothe Divided Line CD.—Draw AB parallel to CD at any… … a l 3 4 5 6 7 S 9 10 111213 U gFig. 29. points 5, 6, 7, 8, etc. The divisions on AB will have thesame proportion to the divisions on CD that the whole lineAB has to the whole line CD—i.e., the lines will be propor-tionally divided.