Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 13
ars, and at tlieirpoint of intersection O will be thecentre of the circle. 16 To inscribe a circle in atriangle. Draw A O bisectingthe angle A and C O bisectingthe angle C. With their pointof intersection O as centre and *radius O E draw the required circle. 17 To describe a circle about a square.…
Mechanical drawing
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