Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 34
Fig. 22. Fi^bf] To Draw a Line Parallel to a GivenLine AB Through a Given Point C.—From any pointon AB as B with radius BC describe an arc cutting AB in A,From C with the same radius describe arc BD. From B withAC as radius cut arc BD in D. Draw CD. Line CD is paral-lel to AB. J?. T\ 1 2) … 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.