THE AGRICULTURIST'S CALCULATOR, 



TABLES OF WEIGHTS AND MEASURES. 



IMPERIAL TROY WEIGHT. * 



.003961 of a cubic inch of water = 1 grain. (g r ) 



24 grains = 1 pennyweight, (dwt.) 



20 pennyweights 1 ounce. (oz.) 



12 ounces = 1 pound (Ib.) = 5760 grains. 



This weight is used for weighing gold, silver, jewels, &c.; also, 

 for comparing different weights with one another. A silver shilling 

 weighs 3 dwts. 15 T 3 T grs.; a gold sovereign 5 dwts. 3.2745 grs. 



IMPERIAL AVOIRDUPOIS WEIGHT. 



Troy grains. Cub. in. of water. 



16 drams (dr.) *= 1 ounce = 437 \ 1.7329625 



16 ounces (oz.) =1 pound = 7000 = 27.7274 



14 pounds (Ib.) = 1 stone = 98000 = 388.1836 j 



28 pounds (Ib.) = 1 quarter = 776.3672 



Quarters (qr.) -j 11 "^} - 3105.4688 ' 



v weight J 



)hH wdS}(- t -)- lt =62109.376 



Butcher meat in London is sold by the Smithfield stone of 



