Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 12
11 To draw a circle through three given points usethe same construction as used for No. 10, the centre Dbeing found by the same method. 12 To draw an arc of acircle through three givenpoints when the centre is notavailable. Let it be requiredto draw an arc of a circlethrough points A, B and C.With…
Mechanical drawing
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