LINEA DE TIEMPO

<div style="text-align: center;"><div style="font-weight: bold;"><a href="http://www.calameo.com/books/0013873934137b89fccea">ORIGEN DE LAS TELECOMUNICACIONES </a></div><div style="padding-top: 8px;"><object id="calameo-mini-0013873934137b89fccea" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="240" height="147"><param name="movie" value="http://v.calameo.com/2.3/cmini.swf?bkcode=0013873934137b89fccea&amp;langid=es&amp;clickTo=embed&amp;clickTarget=_blank&amp;autoFlip=0&amp;showArrows=1&amp;page=1" /><param name="wmode" value="transparent" /><param name="allowscriptaccess" value="always" /><param name="allowfullscreen" value="true" /><param name="swfversion" value="9.0.45.0" /><!--[if !IE]>--><object id="calameo-mini-inner-0013873934137b89fccea" type="application/x-shockwave-flash" data="http://v.calameo.com/2.3/cmini.swf?bkcode=0013873934137b89fccea&amp;langid=es&amp;clickTo=embed&amp;clickTarget=_blank&amp;autoFlip=0&amp;showArrows=1&amp;page=1" width="240" height="147"><!--<![endif]--><param name="quality" value="high" /><param name="wmode" value="transparent" /><param name="swfversion" value="9.0.45.0" /><param name="allowscriptaccess" value="always" /><param name="allowfullscreen" value="true" /><script type="text/javascript" src="http://s1.calameoassets.com/calameo-v4/widgets/loader/cloader.js"></script><!--[if !IE]>--></object><!--<![endif]--></object></div><div style="font-size: 11px;"><a href="http://www.calameo.com/upload/">Publish at Calam&eacute;o</a> or <a href="http://www.calameo.com/browse/">browse</a> others.</div></div>