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 408
ata. They are illustrated in the perspective views TANGENT PLANES AND SOLIDS 387 rigs. 183, 184, 185, and 186. We will first solve the problemwith the T.P. in the position illustrated in Fig. 183. Let A and A, B and B, be the projections of the two givenspheres. Envelop each sphere in a right… … Fig. 187. to clg, draw another circle. These are the plans of the bases ofthe two cones. Draw H.T. tangential to these two circles. Draw ell parallel to H.T. At h draw a perpendicular to XYtill it meets a horizontal line from e in h. Draw the Y.T. through h till it meets the H.T. on XY. To obtain…
Geometrical drawing
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