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 470
he plan of the cylinder in a rectangular prism bydrawing the lines op and mn perpendicular to its sides producedand tangential to its base. Proceed in the same manner with XXXIII PROTECTION OF SHADOWS 449 tlie plan of the top of the cylinder by drawing the lines ij and U.Find the elevation of this… … Fig. 252. to E till they meet projectors from 0 and P in 0 and P. Join OP, Om, and Vn, and inside this parallelogram inscribe an ellipse(Prob. 185, Plane Geometry). Proceed in the same manner withthe plan of the top of the prism, and draw tangents to the twoellipses thus found to complete the…
Geometrical drawing
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