14 



HANDBOOK OF MECHANICAL DESIGN 



UNIT AND TOTAL WEIGHTS 



Draw a straight line 

 througli the two known 

 points. The answer will be 

 found at the intersection of 

 this line with the third scale. 



Example: Given 7 pieces 

 per pound or 0.143 lb. per 

 piece; 15 pieces weigh 2.15 lb. 



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