Welcome back! I wasn't here, I don't think, when you were last here.
I'm not exactly sure why you want to build a model of Cole Porter. Are you a musician? :?
As far as End-of-Train Devices are concerned, I can offer the following ...
<!-- m --><a class="postlink" href="http://www.trains.com/trn/default.aspx?c=a&id=220">http://www.trains.com/trn/default.aspx?c=a&id=220</a><!-- m --> -- an article from Trains magazine regarding EoT devices ...
<!-- m --><a class="postlink" href="http://www.ringengineering.com/">http://www.ringengineering.com/</a><!-- m --> -- a kit to build a model of an End-of-train device ...
<!-- m --><a class="postlink" href="http://www.google.com/images?q=end+of+train+device&hl=en&um=1&ie=UTF-8&source=univ&ei=avAMTL2sDYKC8ga7_cmKBw&sa=X&oi=image_result_group&ct=title&resnum=5&ved=0CDsQsAQwBA">http://www.google.com/images?q=end+of+t ... CDsQsAQwBA</a><!-- m -->
<!-- m --><a class="postlink" href="http://www.elpasohub.org/ATX.htm">http://www.elpasohub.org/ATX.htm</a><!-- m --> -- an press release/spec sheet re: Union Pacific's use of EoT's ...
<!-- m --><a class="postlink" href="http://www.patentstorm.us/patents/6102491/description.html">http://www.patentstorm.us/patents/61024 ... ption.html</a><!-- m --> ... and ... from a competing forum ...
<!-- m --><a class="postlink" href="http://www.nscale.net/forums/showthread.php?17756-FRED-Flashing-Red-End-Of-Train-Device">http://www.nscale.net/forums/showthread ... ain-Device</a><!-- m -->
I hope the information provided above satisfies your question re: EoT devices ... but as far as Cole Porter is concerned ... :?: :?: :?: :?