Note Return to text — PROBLEM XI.
Reading edition
From b, Fig. 29., draw b B parallel to C D,[Footnote 21] and from a draw a B to the vanishing-point of D F, cutting each other in B. Then B is the extremity of the curve.
Reading edition
From b, Fig. 29., draw b B parallel to C D,[Footnote 21] and from a draw a B to the vanishing-point of D F, cutting each other in B. Then B is the extremity of the curve.