APPENDIX. 



WEIGHTS AND MEASURES OF THE BEITISH PHARMACOPEIA, 1867. 



WEIGHTS. 



Avoirdupois. 



437'5 Grains. 



37-343 Grains 



16 Ounces or 7,000 Grains. 



1 oz. Troy. 



1 Ib. 



1 Drachm 



1 Scruple 



Minim 



Fluid Drachm 

 Fluid Ounce 

 pint O . 

 Gallon C 



MEASURES OF CAPACITY. 

 Min. 

 fl. drm. 

 fl. oz. . 



O . 



C 



60 Minims. 



8 Fluid Drachms. 

 20 Fluid Ounces. 



8 Pints. 



Seconds Pendulum. 



MEASURES OF LENGTH. 



1 Line = -% Inch 



1 Inch = T9-.~ 



12 Inches = 1 Foot. 



36 Inches = 3 Feet = 1 Yard. 



Length of Pendulum, vibrating seconds of Mean Time in the latitude of London, in a 

 Vacuum at the level of the sea. 39-1393 inches. 



RELATION OF MEASURES TO WEIGHTS. 

 1 Minim is the measure of 0'91 Grains of Water. 



Fluid Drachm . . . 54'68 



Fluid Ounce . 1 Ounce or 437'5 



Pint . 1-25 Pounds or 8750*0 



Gallon . 10 Pounds or 70,000-0 



WEIGHTS AND MEASURES OF THE METRICAL SYSTEM. 



Milligramme = the thousandth part of one gramme, or O'OOl gramme. 



Centigramme = the hundredth part of one gramme, or O'Ol gramme. 



Decigramme = the tenth part of ditto, O'l gramme. 



Gramme = weight of a Cubic Centimetre of Water at 4 Centigrade TO gramme. 



Decagramme = ten grammes, lO'O. 



Hectogramme = one hundred grammes lOO'O. 



Kilogramme = one thousand grammes lOOO'O. 



MEASURES OF CAPACITY. 



1 Millilitre = 1 cub, centim., or the meas. of 

 1 Centilitre = 10 ditto ditto, or 



1 Decilitre = 100 ditto ditto, or 



1 Litre = 1000 ditto ditto, or 



1 gramme of water. 

 10 ditto ditto. 

 100 ditto ditto. 

 1000 ditto ditto, 1 kilometre. 



MEASURES OF LENGTH. 



1 Millimetre = the thousandth part of one metre, or O'OOl. 

 1 Centimetre = the hundredth ditto ditto, or O'Ol metre. 

 1 Decimetre = the tenth ditto ditto, or O'l. 

 1 Metre" =the ten-millionth part of a quarter of the meridian of the earth. 



