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 344
rface of the mirror.From / draw a projector till itmeets he in /. Join af, and produceit till it meets XY in k, cuttingthe H.T. in g. Draw the projec-tors gg and hk. Join gk. Drawa line from a to / intersecting gkin h. Draw a projector from h tillit meets ak in h. The points h andh are the… … Fig. 138. CHAPTEE XXVII LINES CONTAINED BY PLANES AND MAKING GIVEN ANGLESWITH THE CO-ORDINATE PLANES The principles on which solutions of this combination of figuresare based will be more easily understood by reference to theperspective view (Fig. 139). A, B, and C represent planes inclined to both…
Geometrical drawing
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