Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 177
in the points H, K, L, and M. Throughthese points draw a fair curve, which will give the ellipserequired. Peoblem 180= To draw an approximate ellipse ivith arcs of circles, the majoraxis AB and the minor axis CD being given. Let AB and CD intersecteach other at right angles in E.From point A, with… … XV CONIC SECTIONS 157 draw intersecting arcs in L and M. Produce lines through LHand LK, and through ]\IH and MK. AVith H and K as centres,and radius equal to HA, draw the arcs PAN and OBR. WithL and M as centres, and radius equal to MN, draw the arcsXCO and PDE, w^liich will complete the required…
Geometrical drawing
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