Sullivan, Christine [Gordon]. [from old catalog] · New York, Cincinnati [etc.] American book company · leaf 31
which will be equal to theo^iven circle. Problem 7. — To locate the axes of a given ellipse. Draw AB and CD (Fig. 43) across the given ellipse, parallel toeach other. Bisect each of these lines in E and F. Join E andF^ and continue until line meetsellipse in G and H. Bisect theline GH., and from… … GEOMETRIC PROBLEMS. 27 Problem 8. — To construct an egg-shaped oval. Draw the diameter AB (Fig. 44). Describethe circle AOBM. Draw the radius CO atright angles to AB^ meeting the circumferencein the point O, Join AO and BO^ and producethem indefinitely beyond O. With A and B ascenters, and AB as a…
Mechanical drawing
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