COMPUTATION TABLES. 



147 



Fourth, capacity 30 pounds. Outside measurements — 19f 

 inches in length, 12i inches in width, 6^ inches in depth. Inside 

 measurements — length, 18^ inches ; width, Il| inches ; depth, 

 54^ inches. 



Pear boxes, capacity 40 pounds. Outside measurements — 

 19| inches in length, 12i inches in width, 8| inches in depth. 

 Inside measurements — length, I8| inches; width, II | inches ; 

 depth, 8^ inches. 



35. California Prunes. 



Prunes are graded by running them over screens of various 

 degrees of coarseiless. The meshes should be oblong, 2 inches 

 or more in length for all the sizes, the widths varying as stated 

 in the table below. The California French prunes are usually 

 sorted in six sizes, by using the following methods : 



Width of mesh for "Width of mesh for 



Grade. 



Extras, 40 to 50 to pound 



No. I, 50 to 60 



No. 2, 60 to 70 " 



No. 3, 70 to 80 



No. 4, 80 to 90 



No. 5, 90 to 100 



green prunes. 

 . 1| inches 



dried prunes. 



36. Covent Garden (London) Measures. 



.Sea-kale Punnets. — 8 inches diameter at the top, 7| inches 

 at the bottom, and 2 inches deep. 



Radish Punnets. — 8 inches in diameter and 1 inch deep, if 

 to hold 6 hands ; or 9 inches by I inch, if for 12 hands. 



Mushroom. — 7 inches by I inch. 



Salad Punnets. — 5 inches by I inch. 



Sieve. — Contains 7 imperial gallons. Diameter, 15 inches ; 

 depth, 8 inches. A sieve of peas is equal to I bushel. A sieve 

 of currants, 12 quarts. 



Half-sieve. — Contains 3i imperial gallons. It averages 121^ 

 inches in diameter and 6 inches in depth. 



