418 APPENDIX 



cases where great exactness is required; such as, mixing 

 medicines, weighing the precious metals, jewels, letters, 

 etc. The kilogram, or, as it is commonly abbreviated, 

 the "kilo," is used in weighing coarse articles, such as 

 groceries, etc. The metric ton is used in weighing hay 

 and heavy articles generally. 



Since, in the Metric System, 10, 100, 1000, etc., units 

 of a lower denomination make a unit of the higher de- 

 nomination, the following principles are derived: 



Principles. i. A number is reduced to a lower 

 denomination by removing the decimal point as many 

 places to the right as there are ciphers in the multiplier. 



2. A number is reduced to a higher denomination by 

 removing the decimal point as many places to the left as 

 there are ciphers in the divisor. 



The following table presents the legal values of those 

 denominations of the Metric System which are in common 

 use. 



