Soak bread crumbs in milk for one hour. Combine ground beef, pork and onion. Add eggs, milk, bread crumb mixture. Add salt, pepper and spices. Mix well and whip with a fork. Chill one to two hours. Shape into small balls, roll in flour and brown in bacon drippings or oil. Shake pan or heavy skillet to roll meat balls around in hot grease (not too hot). Place in crock pot with 1 large jar grape jelly and cook on Slow for one hour.