Clam Chowder without asparagus

1 lb margarine 3/4 lb all-purpose flour 1 (23 ounce) can clam juice 1 (25 ounce) can clams , chopped 1 1/2 cups diced celery 1 1/2 cups diced onions 1 1/2[...]

4 slices bacon , chopped 3 (6 1/2 ounce) cans whole shelled clams 3 tablespoons butter or 3 tablespoons margarine 1/2 cup chopped celery 1/2 cup chopped onion[...]