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weighings of small quantities up to 50 Ibs., the balance best 

 adopted is the steel yard. 



FIG. 52, STEEL-YARD FOR WEIGHING UP TO 16 l^s. 



FIG. 53. -STEEL-YARD FOR WEIGHING 15 TO 

 50 Ibs. (Fie. 52 REVERSED). 



Fig. 52 represents the position of the steel-yard in 

 which weights from 2 to 16 Ibs. can be determined, as the 

 figures marked on the iron-bar will show. It should be 

 hung on something high by the hook nearest to the arm. 

 The middle hook will not be used at all in this case. The 

 article to be weighed is to be hung on the double-hooks. 

 This being done, move the weight on the arm or bar till it 

 assumes a perfectly horizontal position. The figure on which 

 the weight will rest will indicate the weight in pounds of the 

 article weighed. Figure 53 represents the iposition of the 

 same instrument reversed, in which weights from 15 to 

 50 Ibs. can be determined as is shown by the figures on the 



