Fry:

3 3/4 c. chopped bacon, pour off fat
5 c. onion, chopped
5 c. celery, chopped
1 c. plus 3 tbsp flour
7 c water
3 1/3 c vinegar
3 1/3 c sugar
2 1/2 tbsp pepper
5 tbsp salt
10 quarts cooked, cut up potatoes

Place in a large roaster, heat 35 minutes at 350°F.