ARTICHOKE SOUP (another)

1/4 lb. artichokes, 1/4 lb. potatoes, 3/4 pint milk and water (equal parts), 1/4 oz. butter, pepper and salt to taste. Peel, wash, and cut up small the vegetables, and cook them in the milk and water, until tender. Rub them through a sieve, return to saucepan, add butter and seasoning, boil up and serve.