<div style="background:#fff;border:#bbb dashed 1px;padding:5px"><a href="http://en.citatepedia.ro/comments.php?id=272980" style="color:#000;text-decoration:none">I should point out, however, that at first some difficulty was experienced in observing the phenomena predicted by the theory, owing to the extreme smallness of the variations in the period of oscillation.<br><br /></a>quote by <a href="http://en.citatepedia.ro/by.php?a=Pieter+Zeeman">Pieter Zeeman</a><div class=q> <img src="https://www.citatepedia.ro/g/32share.png" style="float:left" alt="Share"> <script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=citatepedia" async="async"></script><div style="display:inline-block" class="addthis_sharing_toolbox" data-url="http://en.citatepedia.ro/comments.php?id=272980" data-title="Pieter Zeeman" data-description="I should point out, however, that at first some difficulty was experienced in observing the phenomena predicted by the theory, owing to the extreme smallness of the variations in the period of oscillation."></div> </div> </div>

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