Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 75
rig. 136 r/g. /3 7 The distance from the center of a rivet in one line to the centerof a rivet in the next line is called the diagonal pitch and may befound from the formula: 3 Either chain riveting (Fig. 138) or staggered riveting (Fig. 139)may be used when there are several rows of rivets.
Mechanical drawing
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