Prob. 57. … Same as Proh. 56. A second method. Draw a line through A and Cindefinitely. Through B draw DEparallel to CA, cutting B in D andE.. Draw CD to F and CE, cut-ting B in H. Through B and Hdraw BHK, cutting CA in K, onecentre required. Through B and Fdraw FBL, cutting CA in L, an- other centre required.…
Mechanical drawing
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