2.18 Textbook of Enginnering Drawing------------------
(a) (b)
Fig.2.26 Angular Dimensioning
70
f20 .30 +50
30
26 10
75
(a) (b)
Fig.2.27 Uni-directional Method
2.4.4 Identification of Sbapes
The following indications are used with dimensions to show applicable shape identification and to
improve drawing interpretation. The diameter and square symbols may be omitted where the shape
is clearly indicated. The applicable indication (symbol) shall precede the value for dimension
(Fig. 2.28 to 2.32).
Fig. 2.28
Fig. 2.29
o 1"'\