1. Preheat oven to 325'F. 2. Separate eggs, placing yolks in large mixing bowl and setting whites aside. Beat yolks with sugar until very light and fluffy. Beat in vanilla. 3. Sift cake flour with baking powder onto waxed paper. 4. Fold dry ingredients alternately with milk into egg-sugar mixture. 5. In a separate bowl beat reserved egg whites until stiff and then fold into batter. 6. Pour into an ungreased 9" tube pan and bake in preheated oven 45-50 minutes Invert pan. When cake is cool remove from pan.