GREEN TOMATO PICKLE

Slice one peck of green tomatoes; add one cup of salt, and let them stand over night; drain the water from them and add one gallon of vinegar, one large spoon of allspice, one teaspoonful of cloves, one tablespoonful of cinnamon, a half teaspoonful of ground mustard, four cups of sugar, one cup of grated horseradish, and simmer together ten minutes; add more sugar.