Textbook of Engineering Drawing, Second Edition

_____ Development of Surfaces 7.17

Problem: Figure 7.21 shows the orthographic projection of measuring oil can and the

development of its parts.

Problem : Figure 7.22 shows the development of a three piece pipe elbow.

"x 110

(a)

on on

o N

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fb)

A

Fig. 7.21 Development of Me suring Oil Can