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 360
nts D, A, C, B. Draw a line J parallel to XY, and the same height above itas the assumed radius of the arc on plan. With H as centre. XXIX OBJECTS INCLINED TO THE H.P. AT GIVEN ANGLES 339 and HB as radius, draw an arc till it meets the line J in V.Join H&, which is the V.T. of the required… … Fig. 153. ing letters of the square, drawn parallel to XY, which give thepoints a, h, c, d, by joining which we get the projection required. 2. On the points d, a, c, V draw lines equal to the side ofthe square (09) in length, and perpendicular to djl). Jointhe tops of these perpendiculars to get…
Geometrical drawing
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