lOJ 



£yperfments to efcertaitt 



Nt. 

 4 

 5 



6 : 



7 ■■ 



8 : 



9 



10 : 



11 : 



12 : 



'3 : 



14 : 



15 : 



Grain!. 

 8 



- i6 



- 32 

 . 64 



- 128 



• 256 



• 5" 

 1024 

 2048 

 4096 

 8192 



16384 



Fran'tons of a Grain, 



3» 



I 



I 



T 



I 



■4 

 I 



2 



The fecond feries of weights in an arithmetical order, as follows, viz. 



The third fet confifts of a weight of 



1 ounce 



2 ounces 

 4 ounces 

 8 ounces 



j_ 1 pound 



troy. 



§ to. ai e dznd a b c i (Plate V. fig. 5.) is the brafs cube of five inches, that has been 

 inentioned, fufpended in its own fcales by means of four fine wires from the arm o of the beam, 

 fig. 4. by tal.ing away the common fcale a r. The cube reflrs upon a cradle, or crofs, three 

 arms of which are feen at j- A /, and by this means may be weighed either in air or water, 

 'by immeruon into the large glafe veflel g k, fig. 7. 



At fig. 6 is feen the cylinder a b c dwii a b e dj four inches in diameter and five high, 



flung 



