Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 35
Fig. 23. Pi^aJ; From a Point D on the Line DE to setoff an Angle equal to the given Angle BAC.—From 20 MECHANICAL DRAWING. * A with any convenient radius describe arc BC. From D witthe same radius describe arc EF. With center E and radiusBC cut arc EF in F. Join DF. Angle EDF is = angle BAC. … Fig. 24. FiS.b25. • To Divide an Angle into two equalParts, when the Lines do not Extend to a MeetingPoint.—Draw the line CD and CE parallel and at equal dis-