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Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass (1887)

Faunce, Linus · Boston, W.J. Schofield, Printer · leaf 136

An illustration from Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass, 1887, leaf 136
he arcs of circles,and that in the right face by points located exactly by coordi-nates. It will be noticed that the ray of light is parallel to the diag-onal df oi the cube, and that its projection on a principal sur-face is parallel to the diagonal db or de. 137. Fig. 81 shows the oblique… … CHAPTER VIL WORKING DRAWINGS. 138. A working drawing is one which shows all the dimen-sions of an object in such a way that the object could be repro-duced or constructed from the drawing. Two views at least,plan or horizontal projection, and elevation or vertical projec-tion, are necessary ; but…

Mechanical drawing

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