WEIGHTS AND MEASURES 



13 



DRY MEASURE 



2 pints 

 8 quarts 

 4 pecks 



1 quart 

 1 peck 

 1 bushel 



LIQUID MEASURE 

 4 gills 1 pint 



2 pints 1 quart 

 4 quarts = 1 gallon 



APOTHECARIES WEIGHT 

 20 grains 1 scruple 



3 scruples = 1 dram 

 8 drams 1 ounce 



12 ounces 1 pound 



TIME MEASURE 

 60 seconds = 1 minute 



60 minutes 

 24 hours 

 7 days 

 52 weeks 



12 calendar months 

 365 days 



= 1 hour 

 = 1 day 

 = 1 week 



= 1 year 



TABLE OF QUANTITIES 

 12 units 1 dozen 



1 gross 

 1 score 

 = 1 quire 



12 dozen 

 20 units 

 24 sheets 

 20 quires 



1 ream 



GENERAL MEASURE 



A mile 

 A cubit 



A pace = 



A palm = 



A hand = 



A span = 



Wells and 



= 5280 feet 



2 feet 



3 feet 



3 inches 



4 inches 

 10 J/6 inches 



cisterns hold for 



each foot in depth : 



16. The Metric System. The metric system of measure- 

 ment is French in origin and is largely used in Continental 

 Europe. It is the system used by nearly all scientific workers 

 and is finding more and more favor in this country. In this 

 system the unit of length is the centimeter, which is one- 

 hundredth part of a meter. The meter is one ten-millionth 

 part of the distance on the earth's surface from the equa- 

 tor to the pole. It is defined in the United States and 

 France as the distance on certain bars in Washington and 

 Paris which are kept at the temperature of melting ice. The 

 unit of weight is the gram, which is equal to about one- 



