The essentials of descriptive geometry . 112 ESSENTIALS OF DESCRIPTIVE GEOMETRY the base the distances 1-2, 2-3, 3-4, etc., equal and small enoughso that the chord of the arc is equal, practically, to the arc itself, and through these pointsdraw elements of the 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 off onthe base of the these
The essentials of descriptive geometry . 112 ESSENTIALS OF DESCRIPTIVE GEOMETRY the base the distances 1-2, 2-3, 3-4, etc., equal and small enoughso that the chord of the arc is equal, practically, to the arc itself, and through these pointsdraw elements of the 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 off onthe base of the these points erect perpendiculars equal in length tothe elements. Through the points a, b, c, d, etc., thus founddraw a curve. The area bounded by the points a-i-i-a. Fig. 90.
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192400462, bookyear1915
