Why not link to the original article instead? ;)<p><a href="http:&#x2F;&#x2F;gallica.bnf.fr&#x2F;ark:&#x2F;12148&#x2F;bpt6k56527v&#x2F;f234.image" rel="nofollow">http:&#x2F;&#x2F;gallica.bnf.fr&#x2F;ark:&#x2F;12148&#x2F;bpt6k56527v&#x2F;f234.image</a><p>Starting about halfway the page from &quot;DEMONSTRATION TOUCHANT LE mouvement de la lumiere&quot;