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 308
Fig. 90. Fis. 91. Peoblem 71. The ^projections of a line being given, to find its traces,inclination, and true length. Pig. 91. Let ah be the horizontal, and ah the vertical projectionsof the line. As h is on XY, & must be the H.T. With V ascentre, and radii ha and hh, draw the arcs meeting XY…
Geometrical drawing
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