A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 20
e dividers, shown in Figs. 9 and 12, are usedfor laying off distances upon a drawing, or for dividingstraight lines or circles into parts. The points of thedividers should be very sharp, so that they will not punchholes in the paper larger than is absolutely necessary to beseen. Compasses are… … Fig. 12 dividers to space a line or circle into a number of equal parts,hold them at the top between the thumb and forefinger, aswhen using the compasses, and step oflf the spaces, turningthe instrument alternately to the right and left. If the lineor circle does not space exactly, vary the…
