<a href="https://en.wikipedia.org/wiki/Fox_Film" id="mwhg" rel="mw:WikiLink" title="Fox Film">Fox Film</a> buys the patents of the <a href="https://en.wikipedia.org/wiki/Movietone_sound_system" id="mwhw" rel="mw:WikiLink" title="Movietone sound system">Movietone sound system</a> for recording sound onto film.