Mechanical drawing self-taught: comprising instructions in the selection and preparation of drawing instruments. Elementary instruction in practical mechanical drawing. Together with examples in simple geometry and elementary mechanism, including screw threads, gear wheels, mechanical motions, engines and boilers (1889)
the radius of the arc of the corner maybe marked, as shown in Figure 118. Figure 119 represents a key drawn in perspective, MARKING DIMENSIONS. 93 SO that all the dimensions may be marked on oneview. Perspective sketches may be used for singlepieces, as they denote the shape of the piece more I ¥~i… … t\g. 119. Office or similar drawings, where the form and con-struction rather than the dimension is the informationsought to be conveyed. CHAPTER VLIHE ARRANGEMENT OF DIFFERENT VIEWS. THE DIFFERENT VIEWS OF A MECHANICAL DRAWING, The word elevation, as applied to mechanical draw-ing, means simply a…
Mechanical drawing
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