Textbook of Engineering Drawing, Second Edition

7.20 Textbook of Enginnering Drawing----____

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a'

240

0'

(a)

K

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9= ap X360

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(b)

Fig. 7.25 Development of a Bucket

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R = _<!L

L

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b~ __ ~ ____ ~-r

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(a)

8

Fig. 7.26 Development of a Measuring Can

B

B

A