COMPUTATION TABLES. 147 



Fourth, capacity 30 pounds. Outside measurements 19| 

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

 measurements length, 18^ inches; width, llf inches ; depth, 

 5 1 inches. 



Pear boxes, capacity 40 pounds. Outside measurements 

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

 Inside measurements length, 18 inches; width, llf inches ; 

 depth, 8 1 inches. 



35. California Prunes. 



Prunes are graded by running them over screens of various 

 degrees of coarseness. 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. green prunes. dried prunes. 



Extras, 40 to 50 to pound ... If inches . . . 1 inches. 



No. 1, 50 to 60 " . . . 1J " ... 1 " 



No. 2, 60 to 70 . . . 4 ... 1 



No. 3, 70 to 80 " ... 1 " . . . | " 



No. 4, 80 to 90 " ... | "... f " 



No. 5, 90 to 100 " . . . f " . . . f " 



36. Covent Garden (London) Measures. 



SEA-KALE PUNNETS. 8 inches diameter at the top, 1\ 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 1 inch, if for 12 hands. 



MUSHROOM. 7 niches by 1 inch. 



SALAD PUNNETS. 5 inches by 1 inch. 



SIEVE. Contains 7 imperial gallons. Diameter, 15 inches ; 

 depth, 8 inches. A sieve of peas is equal to 1 bushel. A sieve 

 of currants, 12 quarts. 



HALF-SIEVE. Contains 3 imperial gallons. It averages 12| 

 inches in diameter and 6 inches in depth. 



