Higbee, F. G · New York, John Wiley & Sons · leaf 123
he cylin-der. The last step, 11-12,may not be equal to theothers but this does notmatter. Now draw a Hnei-i (it will be convenientto draw this hne with theT square a continuationof the projection of thebase of the cyHnder) anddivide it as shown so thatthe divisions are equal tothe distances laid… … Fig. 90.
Geometry, Descriptive
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