In a mixing bowl, beat eggs at high speed for 5 minutes or until pale yellow. Gradually beat in sugar and vanilla, mixing until sugar is dissolved. Combine flour, baking powder and salt; add to batter alternately with cream. Pour into a greased 10-in. tube pan. Bake at 350° for 60-70 minutes or until cake tests done. Cool in pan 15 minutes before removing to a wire rack to cool completely.