Standard sizes for cans that food is stored in, usually only found in really old recipes:
Can No. Approx. Weight Volume
#1 10-11 oz 1 1/4 cups
#300 15 oz 1 1/3 cups
#303 1 lb 2 cups
#1 tall 1 lb 2 cups
#2 1 lb 3 oz 2 1/2 cups
#2 1/2 1 lb 13 oz 3 1/2 cups
#3 1 qt 13 fl oz 3 1/2 cups
#5 3 lb 5 3/4 cups
#10 6 lb 8 oz 12-13 cups
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