dead heats
... that dead heats between two or even three racehorses were more common before the introduction of the photo finish?
... that <b id="mw2g"><a href="./Dead_heat" id="mw2w" rel="mw:WikiLink" title="Dead heat">dead heats</a></b> between two or even three racehorses <i id="mw3A">(example pictured)</i> were more common before the introduction of the <a href="./Photo_finish" id="mw3Q" rel="mw:WikiLink" title="Photo finish">photo finish</a>?