Where under a bequest, whether specific or general, a person is entitled, beneficially or otherwise, to the manuscript of a literary, dramatic or musical work, or to an artistic work, and the work was not published before the death of the testator, the bequest shall, unless a contrary intention appears in the testator's will, be read as including the copyright in the work in so far as the testator was the owner of the copyright immediately before his or her death.